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Finding the Fourth Proportional to 5,268.68, 7,904.16 and 1,571.21

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Solution

The fourth proportional to 5,268.68, 7,904.16 and 1,571.21 is: 2,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.68 : 7,904.16 = 1,571.21 : x
  2. Step 2: Convert to fraction form
    5,268.68/7,904.16 = 1,571.21/x
  3. Step 3: Cross multiply
    5,268.68x = 7,904.16 × 1,571.21
  4. Step 4: Simplify right side
    5,268.68x = 12,419,055.71
  5. Step 5: Solve for x
    x = 12,419,055.71/5,268.68
  6. Step 6: Final answer
    x = 2,357.15

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