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Finding the Fourth Proportional to 462,124.20, 693,186.30 and 129,700.20

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Solution

The fourth proportional to 462,124.20, 693,186.30 and 129,700.20 is: 194,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,124.20 : 693,186.30 = 129,700.20 : x
  2. Step 2: Convert to fraction form
    462,124.20/693,186.30 = 129,700.20/x
  3. Step 3: Cross multiply
    462,124.20x = 693,186.30 × 129,700.20
  4. Step 4: Simplify right side
    462,124.20x = 89,906,401,747.26
  5. Step 5: Solve for x
    x = 89,906,401,747.26/462,124.20
  6. Step 6: Final answer
    x = 194,550.30

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