Finding the Fourth Proportional to 3,250.71, 4,856.13 and 2,131.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,250.71 : 4,856.13 = 2,131.02 : x
2. Step 2: Convert to fraction form
   3,250.71/4,856.13 = 2,131.02/x
3. Step 3: Cross multiply
   3,250.71x = 4,856.13 × 2,131.02
4. Step 4: Simplify right side
   3,250.71x = 10,348,510.15
5. Step 5: Solve for x
   x = 10,348,510.15/3,250.71
6. Step 6: Final answer
   x = 3,183.46