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Finding the Fourth Proportional to 87,752.45, 131,642.34 and 28,574.36

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Solution

The fourth proportional to 87,752.45, 131,642.34 and 28,574.36 is: 42,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,752.45 : 131,642.34 = 28,574.36 : x
  2. Step 2: Convert to fraction form
    87,752.45/131,642.34 = 28,574.36/x
  3. Step 3: Cross multiply
    87,752.45x = 131,642.34 × 28,574.36
  4. Step 4: Simplify right side
    87,752.45x = 3,761,594,956.19
  5. Step 5: Solve for x
    x = 3,761,594,956.19/87,752.45
  6. Step 6: Final answer
    x = 42,865.98

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