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Finding the Fourth Proportional to 67,305.20, 100,949.76 and 27,857.60

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Solution

The fourth proportional to 67,305.20, 100,949.76 and 27,857.60 is: 41,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,305.20 : 100,949.76 = 27,857.60 : x
  2. Step 2: Convert to fraction form
    67,305.20/100,949.76 = 27,857.60/x
  3. Step 3: Cross multiply
    67,305.20x = 100,949.76 × 27,857.60
  4. Step 4: Simplify right side
    67,305.20x = 2,812,218,034.18
  5. Step 5: Solve for x
    x = 2,812,218,034.18/67,305.20
  6. Step 6: Final answer
    x = 41,783.07

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