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Finding the Fourth Proportional to 56,621.44, 78,159.36 and 37,751.68

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Solution

The fourth proportional to 56,621.44, 78,159.36 and 37,751.68 is: 52,111.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,621.44 : 78,159.36 = 37,751.68 : x
  2. Step 2: Convert to fraction form
    56,621.44/78,159.36 = 37,751.68/x
  3. Step 3: Cross multiply
    56,621.44x = 78,159.36 × 37,751.68
  4. Step 4: Simplify right side
    56,621.44x = 2,950,647,147.72
  5. Step 5: Solve for x
    x = 2,950,647,147.72/56,621.44
  6. Step 6: Final answer
    x = 52,111.84

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