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Finding the Fourth Proportional to 77,892.92, 107,489.70 and 43,898.74

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Solution

The fourth proportional to 77,892.92, 107,489.70 and 43,898.74 is: 60,578.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,892.92 : 107,489.70 = 43,898.74 : x
  2. Step 2: Convert to fraction form
    77,892.92/107,489.70 = 43,898.74/x
  3. Step 3: Cross multiply
    77,892.92x = 107,489.70 × 43,898.74
  4. Step 4: Simplify right side
    77,892.92x = 4,718,662,392.98
  5. Step 5: Solve for x
    x = 4,718,662,392.98/77,892.92
  6. Step 6: Final answer
    x = 60,578.84

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