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Finding the Fourth Proportional to 107,478.72, 161,217.89 and 28,592.95

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Solution

The fourth proportional to 107,478.72, 161,217.89 and 28,592.95 is: 42,889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,478.72 : 161,217.89 = 28,592.95 : x
  2. Step 2: Convert to fraction form
    107,478.72/161,217.89 = 28,592.95/x
  3. Step 3: Cross multiply
    107,478.72x = 161,217.89 × 28,592.95
  4. Step 4: Simplify right side
    107,478.72x = 4,609,694,664.83
  5. Step 5: Solve for x
    x = 4,609,694,664.83/107,478.72
  6. Step 6: Final answer
    x = 42,889.37

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