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Finding the Fourth Proportional to 571,873.77, 857,816.78 and 172,517.99

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Solution

The fourth proportional to 571,873.77, 857,816.78 and 172,517.99 is: 258,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,873.77 : 857,816.78 = 172,517.99 : x
  2. Step 2: Convert to fraction form
    571,873.77/857,816.78 = 172,517.99/x
  3. Step 3: Cross multiply
    571,873.77x = 857,816.78 × 172,517.99
  4. Step 4: Simplify right side
    571,873.77x = 147,988,821,522.20
  5. Step 5: Solve for x
    x = 147,988,821,522.20/571,873.77
  6. Step 6: Final answer
    x = 258,778.82

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