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Finding the Fourth Proportional to 284,105.26, 392,053.80 and 156,779.20

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Solution

The fourth proportional to 284,105.26, 392,053.80 and 156,779.20 is: 216,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,105.26 : 392,053.80 = 156,779.20 : x
  2. Step 2: Convert to fraction form
    284,105.26/392,053.80 = 156,779.20/x
  3. Step 3: Cross multiply
    284,105.26x = 392,053.80 × 156,779.20
  4. Step 4: Simplify right side
    284,105.26x = 61,465,881,120.96
  5. Step 5: Solve for x
    x = 61,465,881,120.96/284,105.26
  6. Step 6: Final answer
    x = 216,348.97

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