Finding the Fourth Proportional to 2,398.56, 3,309.22 and 1,560.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.56 : 3,309.22 = 1,560.32 : x
2. Step 2: Convert to fraction form
   2,398.56/3,309.22 = 1,560.32/x
3. Step 3: Cross multiply
   2,398.56x = 3,309.22 × 1,560.32
4. Step 4: Simplify right side
   2,398.56x = 5,163,442.15
5. Step 5: Solve for x
   x = 5,163,442.15/2,398.56
6. Step 6: Final answer
   x = 2,152.73