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Finding the Fourth Proportional to 5,192.96, 7,788.18 and 1,729.76

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Solution

The fourth proportional to 5,192.96, 7,788.18 and 1,729.76 is: 2,594.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.96 : 7,788.18 = 1,729.76 : x
  2. Step 2: Convert to fraction form
    5,192.96/7,788.18 = 1,729.76/x
  3. Step 3: Cross multiply
    5,192.96x = 7,788.18 × 1,729.76
  4. Step 4: Simplify right side
    5,192.96x = 13,471,682.24
  5. Step 5: Solve for x
    x = 13,471,682.24/5,192.96
  6. Step 6: Final answer
    x = 2,594.22

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