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Finding the Fourth Proportional to 72,995.28, 109,492.68 and 17,591.28

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Solution

The fourth proportional to 72,995.28, 109,492.68 and 17,591.28 is: 26,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,995.28 : 109,492.68 = 17,591.28 : x
  2. Step 2: Convert to fraction form
    72,995.28/109,492.68 = 17,591.28/x
  3. Step 3: Cross multiply
    72,995.28x = 109,492.68 × 17,591.28
  4. Step 4: Simplify right side
    72,995.28x = 1,926,116,391.83
  5. Step 5: Solve for x
    x = 1,926,116,391.83/72,995.28
  6. Step 6: Final answer
    x = 26,386.86

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