Finding the Fourth Proportional to 5,598.98, 7,726.78 and 3,081.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,598.98 : 7,726.78 = 3,081.18 : x
2. Step 2: Convert to fraction form
   5,598.98/7,726.78 = 3,081.18/x
3. Step 3: Cross multiply
   5,598.98x = 7,726.78 × 3,081.18
4. Step 4: Simplify right side
   5,598.98x = 23,807,632.83
5. Step 5: Solve for x
   x = 23,807,632.83/5,598.98
6. Step 6: Final answer
   x = 4,252.14