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Finding the Fourth Proportional to 55,863.21, 77,069.30 and 31,977.03

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Solution

The fourth proportional to 55,863.21, 77,069.30 and 31,977.03 is: 44,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,863.21 : 77,069.30 = 31,977.03 : x
  2. Step 2: Convert to fraction form
    55,863.21/77,069.30 = 31,977.03/x
  3. Step 3: Cross multiply
    55,863.21x = 77,069.30 × 31,977.03
  4. Step 4: Simplify right side
    55,863.21x = 2,464,447,158.29
  5. Step 5: Solve for x
    x = 2,464,447,158.29/55,863.21
  6. Step 6: Final answer
    x = 44,115.75

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