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Finding the Fourth Proportional to 79,599.90, 109,846.69 and 43,787.78

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Solution

The fourth proportional to 79,599.90, 109,846.69 and 43,787.78 is: 60,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,599.90 : 109,846.69 = 43,787.78 : x
  2. Step 2: Convert to fraction form
    79,599.90/109,846.69 = 43,787.78/x
  3. Step 3: Cross multiply
    79,599.90x = 109,846.69 × 43,787.78
  4. Step 4: Simplify right side
    79,599.90x = 4,809,942,695.45
  5. Step 5: Solve for x
    x = 4,809,942,695.45/79,599.90
  6. Step 6: Final answer
    x = 60,426.49

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