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Finding the Fourth Proportional to 456,123.70, 684,331.35 and 156,796.30

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Solution

The fourth proportional to 456,123.70, 684,331.35 and 156,796.30 is: 235,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,123.70 : 684,331.35 = 156,796.30 : x
  2. Step 2: Convert to fraction form
    456,123.70/684,331.35 = 156,796.30/x
  3. Step 3: Cross multiply
    456,123.70x = 684,331.35 × 156,796.30
  4. Step 4: Simplify right side
    456,123.70x = 107,300,623,654.01
  5. Step 5: Solve for x
    x = 107,300,623,654.01/456,123.70
  6. Step 6: Final answer
    x = 235,244.57

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