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Finding the Fourth Proportional to 30,854.91, 42,580.08 and 16,708.06

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Solution

The fourth proportional to 30,854.91, 42,580.08 and 16,708.06 is: 23,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.91 : 42,580.08 = 16,708.06 : x
  2. Step 2: Convert to fraction form
    30,854.91/42,580.08 = 16,708.06/x
  3. Step 3: Cross multiply
    30,854.91x = 42,580.08 × 16,708.06
  4. Step 4: Simplify right side
    30,854.91x = 711,430,531.44
  5. Step 5: Solve for x
    x = 711,430,531.44/30,854.91
  6. Step 6: Final answer
    x = 23,057.29

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