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Finding the Fourth Proportional to 115,660.80, 173,534.40 and 45,588.96

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Solution

The fourth proportional to 115,660.80, 173,534.40 and 45,588.96 is: 68,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,660.80 : 173,534.40 = 45,588.96 : x
  2. Step 2: Convert to fraction form
    115,660.80/173,534.40 = 45,588.96/x
  3. Step 3: Cross multiply
    115,660.80x = 173,534.40 × 45,588.96
  4. Step 4: Simplify right side
    115,660.80x = 7,911,252,820.22
  5. Step 5: Solve for x
    x = 7,911,252,820.22/115,660.80
  6. Step 6: Final answer
    x = 68,400.47

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