Finding the Fourth Proportional to 5,598.89, 7,726.50 and 3,081.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,598.89 : 7,726.50 = 3,081.15 : x
2. Step 2: Convert to fraction form
   5,598.89/7,726.50 = 3,081.15/x
3. Step 3: Cross multiply
   5,598.89x = 7,726.50 × 3,081.15
4. Step 4: Simplify right side
   5,598.89x = 23,806,505.48
5. Step 5: Solve for x
   x = 23,806,505.48/5,598.89
6. Step 6: Final answer
   x = 4,252.01