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Finding the Fourth Proportional to 134,558.56, 185,685.96 and 77,959

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Solution

The fourth proportional to 134,558.56, 185,685.96 and 77,959 is: 107,580.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,558.56 : 185,685.96 = 77,959 : x
  2. Step 2: Convert to fraction form
    134,558.56/185,685.96 = 77,959/x
  3. Step 3: Cross multiply
    134,558.56x = 185,685.96 × 77,959
  4. Step 4: Simplify right side
    134,558.56x = 14,475,891,755.64
  5. Step 5: Solve for x
    x = 14,475,891,755.64/134,558.56
  6. Step 6: Final answer
    x = 107,580.61

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