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Finding the Fourth Proportional to 79,685.79, 109,965.51 and 43,874.88

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Solution

The fourth proportional to 79,685.79, 109,965.51 and 43,874.88 is: 60,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,685.79 : 109,965.51 = 43,874.88 : x
  2. Step 2: Convert to fraction form
    79,685.79/109,965.51 = 43,874.88/x
  3. Step 3: Cross multiply
    79,685.79x = 109,965.51 × 43,874.88
  4. Step 4: Simplify right side
    79,685.79x = 4,824,723,555.39
  5. Step 5: Solve for x
    x = 4,824,723,555.39/79,685.79
  6. Step 6: Final answer
    x = 60,546.85

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