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Finding the Fourth Proportional to 107,449.22, 161,162.44 and 28,571.42

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Solution

The fourth proportional to 107,449.22, 161,162.44 and 28,571.42 is: 42,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,449.22 : 161,162.44 = 28,571.42 : x
  2. Step 2: Convert to fraction form
    107,449.22/161,162.44 = 28,571.42/x
  3. Step 3: Cross multiply
    107,449.22x = 161,162.44 × 28,571.42
  4. Step 4: Simplify right side
    107,449.22x = 4,604,639,761.46
  5. Step 5: Solve for x
    x = 4,604,639,761.46/107,449.22
  6. Step 6: Final answer
    x = 42,854.10

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