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Finding the Fourth Proportional to 89,124.24, 122,987.84 and 53,293.12

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Solution

The fourth proportional to 89,124.24, 122,987.84 and 53,293.12 is: 73,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,124.24 : 122,987.84 = 53,293.12 : x
  2. Step 2: Convert to fraction form
    89,124.24/122,987.84 = 53,293.12/x
  3. Step 3: Cross multiply
    89,124.24x = 122,987.84 × 53,293.12
  4. Step 4: Simplify right side
    89,124.24x = 6,554,405,715.66
  5. Step 5: Solve for x
    x = 6,554,405,715.66/89,124.24
  6. Step 6: Final answer
    x = 73,542.35

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