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Finding the Fourth Proportional to 15,978,157.40, 23,929,191.84 and 10,203,002.58

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Solution

The fourth proportional to 15,978,157.40, 23,929,191.84 and 10,203,002.58 is: 15,280,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,978,157.40 : 23,929,191.84 = 10,203,002.58 : x
  2. Step 2: Convert to fraction form
    15,978,157.40/23,929,191.84 = 10,203,002.58/x
  3. Step 3: Cross multiply
    15,978,157.40x = 23,929,191.84 × 10,203,002.58
  4. Step 4: Simplify right side
    15,978,157.40x = 244,149,606,208,830.69
  5. Step 5: Solve for x
    x = 244,149,606,208,830.69/15,978,157.40
  6. Step 6: Final answer
    x = 15,280,210.36

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