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Finding the Fourth Proportional to 98,580.72, 147,849.36 and 28,444.80

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Solution

The fourth proportional to 98,580.72, 147,849.36 and 28,444.80 is: 42,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,580.72 : 147,849.36 = 28,444.80 : x
  2. Step 2: Convert to fraction form
    98,580.72/147,849.36 = 28,444.80/x
  3. Step 3: Cross multiply
    98,580.72x = 147,849.36 × 28,444.80
  4. Step 4: Simplify right side
    98,580.72x = 4,205,545,475.33
  5. Step 5: Solve for x
    x = 4,205,545,475.33/98,580.72
  6. Step 6: Final answer
    x = 42,660.93

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