Finding the Fourth Proportional to 4,002.71, 5,525.25 and 3,149.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,002.71 : 5,525.25 = 3,149.75 : x
2. Step 2: Convert to fraction form
   4,002.71/5,525.25 = 3,149.75/x
3. Step 3: Cross multiply
   4,002.71x = 5,525.25 × 3,149.75
4. Step 4: Simplify right side
   4,002.71x = 17,403,112.81
5. Step 5: Solve for x
   x = 17,403,112.81/4,002.71
6. Step 6: Final answer
   x = 4,347.84