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Finding the Fourth Proportional to 462,296.20, 693,444.30 and 129,872.20

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Solution

The fourth proportional to 462,296.20, 693,444.30 and 129,872.20 is: 194,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,296.20 : 693,444.30 = 129,872.20 : x
  2. Step 2: Convert to fraction form
    462,296.20/693,444.30 = 129,872.20/x
  3. Step 3: Cross multiply
    462,296.20x = 693,444.30 × 129,872.20
  4. Step 4: Simplify right side
    462,296.20x = 90,059,136,818.46
  5. Step 5: Solve for x
    x = 90,059,136,818.46/462,296.20
  6. Step 6: Final answer
    x = 194,808.30

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