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Finding the Fourth Proportional to 207,879.28, 286,873.43 and 112,385.95

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Solution

The fourth proportional to 207,879.28, 286,873.43 and 112,385.95 is: 155,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,879.28 : 286,873.43 = 112,385.95 : x
  2. Step 2: Convert to fraction form
    207,879.28/286,873.43 = 112,385.95/x
  3. Step 3: Cross multiply
    207,879.28x = 286,873.43 × 112,385.95
  4. Step 4: Simplify right side
    207,879.28x = 32,240,541,681.20
  5. Step 5: Solve for x
    x = 32,240,541,681.20/207,879.28
  6. Step 6: Final answer
    x = 155,092.62

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