Finding the Fourth Proportional to 3,411.08, 5,114.78 and 1,560.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.08 : 5,114.78 = 1,560.10 : x
2. Step 2: Convert to fraction form
   3,411.08/5,114.78 = 1,560.10/x
3. Step 3: Cross multiply
   3,411.08x = 5,114.78 × 1,560.10
4. Step 4: Simplify right side
   3,411.08x = 7,979,568.28
5. Step 5: Solve for x
   x = 7,979,568.28/3,411.08
6. Step 6: Final answer
   x = 2,339.31