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Finding the Fourth Proportional to 5,851.92, 8,778.48 and 1,956.72

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Solution

The fourth proportional to 5,851.92, 8,778.48 and 1,956.72 is: 2,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,851.92 : 8,778.48 = 1,956.72 : x
  2. Step 2: Convert to fraction form
    5,851.92/8,778.48 = 1,956.72/x
  3. Step 3: Cross multiply
    5,851.92x = 8,778.48 × 1,956.72
  4. Step 4: Simplify right side
    5,851.92x = 17,177,027.39
  5. Step 5: Solve for x
    x = 17,177,027.39/5,851.92
  6. Step 6: Final answer
    x = 2,935.28

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