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Finding the Fourth Proportional to 173,676.80, 260,601.60 and 68,499.20

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Solution

The fourth proportional to 173,676.80, 260,601.60 and 68,499.20 is: 102,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,676.80 : 260,601.60 = 68,499.20 : x
  2. Step 2: Convert to fraction form
    173,676.80/260,601.60 = 68,499.20/x
  3. Step 3: Cross multiply
    173,676.80x = 260,601.60 × 68,499.20
  4. Step 4: Simplify right side
    173,676.80x = 17,851,001,118.72
  5. Step 5: Solve for x
    x = 17,851,001,118.72/173,676.80
  6. Step 6: Final answer
    x = 102,782.88

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