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Finding the Fourth Proportional to 79,064.66, 118,605.28 and 25,760.78

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Solution

The fourth proportional to 79,064.66, 118,605.28 and 25,760.78 is: 38,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,064.66 : 118,605.28 = 25,760.78 : x
  2. Step 2: Convert to fraction form
    79,064.66/118,605.28 = 25,760.78/x
  3. Step 3: Cross multiply
    79,064.66x = 118,605.28 × 25,760.78
  4. Step 4: Simplify right side
    79,064.66x = 3,055,364,524.92
  5. Step 5: Solve for x
    x = 3,055,364,524.92/79,064.66
  6. Step 6: Final answer
    x = 38,643.87

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