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Finding the Fourth Proportional to 58,720.64, 80,922.61 and 57,641.01

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Solution

The fourth proportional to 58,720.64, 80,922.61 and 57,641.01 is: 79,434.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.64 : 80,922.61 = 57,641.01 : x
  2. Step 2: Convert to fraction form
    58,720.64/80,922.61 = 57,641.01/x
  3. Step 3: Cross multiply
    58,720.64x = 80,922.61 × 57,641.01
  4. Step 4: Simplify right side
    58,720.64x = 4,664,460,972.24
  5. Step 5: Solve for x
    x = 4,664,460,972.24/58,720.64
  6. Step 6: Final answer
    x = 79,434.78

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