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Finding the Fourth Proportional to 79,616.72, 109,873.72 and 43,809.36

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Solution

The fourth proportional to 79,616.72, 109,873.72 and 43,809.36 is: 60,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,616.72 : 109,873.72 = 43,809.36 : x
  2. Step 2: Convert to fraction form
    79,616.72/109,873.72 = 43,809.36/x
  3. Step 3: Cross multiply
    79,616.72x = 109,873.72 × 43,809.36
  4. Step 4: Simplify right side
    79,616.72x = 4,813,497,354.02
  5. Step 5: Solve for x
    x = 4,813,497,354.02/79,616.72
  6. Step 6: Final answer
    x = 60,458.37

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