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Finding the Fourth Proportional to 88,740.80, 133,111.20 and 36,123.20

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Solution

The fourth proportional to 88,740.80, 133,111.20 and 36,123.20 is: 54,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,740.80 : 133,111.20 = 36,123.20 : x
  2. Step 2: Convert to fraction form
    88,740.80/133,111.20 = 36,123.20/x
  3. Step 3: Cross multiply
    88,740.80x = 133,111.20 × 36,123.20
  4. Step 4: Simplify right side
    88,740.80x = 4,808,402,499.84
  5. Step 5: Solve for x
    x = 4,808,402,499.84/88,740.80
  6. Step 6: Final answer
    x = 54,184.80

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