Finding the Fourth Proportional to 2,458.16, 3,687.20 and 1,160.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.16 : 3,687.20 = 1,160.56 : x
2. Step 2: Convert to fraction form
   2,458.16/3,687.20 = 1,160.56/x
3. Step 3: Cross multiply
   2,458.16x = 3,687.20 × 1,160.56
4. Step 4: Simplify right side
   2,458.16x = 4,279,216.83
5. Step 5: Solve for x
   x = 4,279,216.83/2,458.16
6. Step 6: Final answer
   x = 1,740.82