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Finding the Fourth Proportional to 83,868.64, 125,776.34 and 27,698.28

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Solution

The fourth proportional to 83,868.64, 125,776.34 and 27,698.28 is: 41,538.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,868.64 : 125,776.34 = 27,698.28 : x
  2. Step 2: Convert to fraction form
    83,868.64/125,776.34 = 27,698.28/x
  3. Step 3: Cross multiply
    83,868.64x = 125,776.34 × 27,698.28
  4. Step 4: Simplify right side
    83,868.64x = 3,483,788,282.70
  5. Step 5: Solve for x
    x = 3,483,788,282.70/83,868.64
  6. Step 6: Final answer
    x = 41,538.63

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