Finding the Fourth Proportional to 2,516.10, 3,472.33 and 1,397.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.10 : 3,472.33 = 1,397.05 : x
2. Step 2: Convert to fraction form
   2,516.10/3,472.33 = 1,397.05/x
3. Step 3: Cross multiply
   2,516.10x = 3,472.33 × 1,397.05
4. Step 4: Simplify right side
   2,516.10x = 4,851,015.13
5. Step 5: Solve for x
   x = 4,851,015.13/2,516.10
6. Step 6: Final answer
   x = 1,927.99