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Finding the Fourth Proportional to 261,582.55, 392,410.71 and 84,030.03

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Solution

The fourth proportional to 261,582.55, 392,410.71 and 84,030.03 is: 126,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,582.55 : 392,410.71 = 84,030.03 : x
  2. Step 2: Convert to fraction form
    261,582.55/392,410.71 = 84,030.03/x
  3. Step 3: Cross multiply
    261,582.55x = 392,410.71 × 84,030.03
  4. Step 4: Simplify right side
    261,582.55x = 32,974,283,733.62
  5. Step 5: Solve for x
    x = 32,974,283,733.62/261,582.55
  6. Step 6: Final answer
    x = 126,056.90

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