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Finding the Fourth Proportional to 82,871.20, 124,306.80 and 59,543.20

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Solution

The fourth proportional to 82,871.20, 124,306.80 and 59,543.20 is: 89,314.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,871.20 : 124,306.80 = 59,543.20 : x
  2. Step 2: Convert to fraction form
    82,871.20/124,306.80 = 59,543.20/x
  3. Step 3: Cross multiply
    82,871.20x = 124,306.80 × 59,543.20
  4. Step 4: Simplify right side
    82,871.20x = 7,401,624,653.76
  5. Step 5: Solve for x
    x = 7,401,624,653.76/82,871.20
  6. Step 6: Final answer
    x = 89,314.80

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