Finding the Fourth Proportional to 2,516.20, 3,471.92 and 1,571.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.20 : 3,471.92 = 1,571.82 : x
2. Step 2: Convert to fraction form
   2,516.20/3,471.92 = 1,571.82/x
3. Step 3: Cross multiply
   2,516.20x = 3,471.92 × 1,571.82
4. Step 4: Simplify right side
   2,516.20x = 5,457,233.29
5. Step 5: Solve for x
   x = 5,457,233.29/2,516.20
6. Step 6: Final answer
   x = 2,168.84