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Finding the Fourth Proportional to 202,863.72, 279,857.61 and 131,266.86

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Solution

The fourth proportional to 202,863.72, 279,857.61 and 131,266.86 is: 181,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,863.72 : 279,857.61 = 131,266.86 : x
  2. Step 2: Convert to fraction form
    202,863.72/279,857.61 = 131,266.86/x
  3. Step 3: Cross multiply
    202,863.72x = 279,857.61 × 131,266.86
  4. Step 4: Simplify right side
    202,863.72x = 36,736,029,711.80
  5. Step 5: Solve for x
    x = 36,736,029,711.80/202,863.72
  6. Step 6: Final answer
    x = 181,087.23

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