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Finding the Fourth Proportional to 84,016.72, 126,042.36 and 57,733.84

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Solution

The fourth proportional to 84,016.72, 126,042.36 and 57,733.84 is: 86,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,016.72 : 126,042.36 = 57,733.84 : x
  2. Step 2: Convert to fraction form
    84,016.72/126,042.36 = 57,733.84/x
  3. Step 3: Cross multiply
    84,016.72x = 126,042.36 × 57,733.84
  4. Step 4: Simplify right side
    84,016.72x = 7,276,909,445.46
  5. Step 5: Solve for x
    x = 7,276,909,445.46/84,016.72
  6. Step 6: Final answer
    x = 86,612.63

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