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Finding the Fourth Proportional to 88,044.80, 131,872.80 and 72,492.80

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Solution

The fourth proportional to 88,044.80, 131,872.80 and 72,492.80 is: 108,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,044.80 : 131,872.80 = 72,492.80 : x
  2. Step 2: Convert to fraction form
    88,044.80/131,872.80 = 72,492.80/x
  3. Step 3: Cross multiply
    88,044.80x = 131,872.80 × 72,492.80
  4. Step 4: Simplify right side
    88,044.80x = 9,559,828,515.84
  5. Step 5: Solve for x
    x = 9,559,828,515.84/88,044.80
  6. Step 6: Final answer
    x = 108,579.14

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