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Finding the Fourth Proportional to 76,754.16, 115,053.48 and 37,278

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Solution

The fourth proportional to 76,754.16, 115,053.48 and 37,278 is: 55,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,754.16 : 115,053.48 = 37,278 : x
  2. Step 2: Convert to fraction form
    76,754.16/115,053.48 = 37,278/x
  3. Step 3: Cross multiply
    76,754.16x = 115,053.48 × 37,278
  4. Step 4: Simplify right side
    76,754.16x = 4,288,963,627.44
  5. Step 5: Solve for x
    x = 4,288,963,627.44/76,754.16
  6. Step 6: Final answer
    x = 55,879.23

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