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Finding the Fourth Proportional to 107,471.44, 161,206.92 and 28,585.72

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Solution

The fourth proportional to 107,471.44, 161,206.92 and 28,585.72 is: 42,878.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,471.44 : 161,206.92 = 28,585.72 : x
  2. Step 2: Convert to fraction form
    107,471.44/161,206.92 = 28,585.72/x
  3. Step 3: Cross multiply
    107,471.44x = 161,206.92 × 28,585.72
  4. Step 4: Simplify right side
    107,471.44x = 4,608,215,877.18
  5. Step 5: Solve for x
    x = 4,608,215,877.18/107,471.44
  6. Step 6: Final answer
    x = 42,878.52

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