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Finding the Fourth Proportional to 84,595.98, 126,880.20 and 31,992.96

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Solution

The fourth proportional to 84,595.98, 126,880.20 and 31,992.96 is: 47,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,595.98 : 126,880.20 = 31,992.96 : x
  2. Step 2: Convert to fraction form
    84,595.98/126,880.20 = 31,992.96/x
  3. Step 3: Cross multiply
    84,595.98x = 126,880.20 × 31,992.96
  4. Step 4: Simplify right side
    84,595.98x = 4,059,273,163.39
  5. Step 5: Solve for x
    x = 4,059,273,163.39/84,595.98
  6. Step 6: Final answer
    x = 47,984.23

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