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Finding the Fourth Proportional to 42,198.28, 63,303 and 15,540.64

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Solution

The fourth proportional to 42,198.28, 63,303 and 15,540.64 is: 23,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.28 : 63,303 = 15,540.64 : x
  2. Step 2: Convert to fraction form
    42,198.28/63,303 = 15,540.64/x
  3. Step 3: Cross multiply
    42,198.28x = 63,303 × 15,540.64
  4. Step 4: Simplify right side
    42,198.28x = 983,769,133.92
  5. Step 5: Solve for x
    x = 983,769,133.92/42,198.28
  6. Step 6: Final answer
    x = 23,313.01

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