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Finding the Fourth Proportional to 77,331.47, 106,712.37 and 45,494.21

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Solution

The fourth proportional to 77,331.47, 106,712.37 and 45,494.21 is: 62,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,331.47 : 106,712.37 = 45,494.21 : x
  2. Step 2: Convert to fraction form
    77,331.47/106,712.37 = 45,494.21/x
  3. Step 3: Cross multiply
    77,331.47x = 106,712.37 × 45,494.21
  4. Step 4: Simplify right side
    77,331.47x = 4,854,795,237.16
  5. Step 5: Solve for x
    x = 4,854,795,237.16/77,331.47
  6. Step 6: Final answer
    x = 62,779.04

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