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Finding the Fourth Proportional to 98,400.56, 147,572.78 and 27,305.72

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Solution

The fourth proportional to 98,400.56, 147,572.78 and 27,305.72 is: 40,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,400.56 : 147,572.78 = 27,305.72 : x
  2. Step 2: Convert to fraction form
    98,400.56/147,572.78 = 27,305.72/x
  3. Step 3: Cross multiply
    98,400.56x = 147,572.78 × 27,305.72
  4. Step 4: Simplify right side
    98,400.56x = 4,029,581,010.30
  5. Step 5: Solve for x
    x = 4,029,581,010.30/98,400.56
  6. Step 6: Final answer
    x = 40,950.79

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