Finding the Fourth Proportional to 3,608.79, 5,414.89 and 2,499.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.79 : 5,414.89 = 2,499.91 : x
2. Step 2: Convert to fraction form
   3,608.79/5,414.89 = 2,499.91/x
3. Step 3: Cross multiply
   3,608.79x = 5,414.89 × 2,499.91
4. Step 4: Simplify right side
   3,608.79x = 13,536,710.59
5. Step 5: Solve for x
   x = 13,536,710.59/3,608.79
6. Step 6: Final answer
   x = 3,751.04