Finding the Fourth Proportional to 11,017.55, 15,204.38 and 5,981.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,017.55 : 15,204.38 = 5,981.78 : x
2. Step 2: Convert to fraction form
   11,017.55/15,204.38 = 5,981.78/x
3. Step 3: Cross multiply
   11,017.55x = 15,204.38 × 5,981.78
4. Step 4: Simplify right side
   11,017.55x = 90,949,150.27
5. Step 5: Solve for x
   x = 90,949,150.27/11,017.55
6. Step 6: Final answer
   x = 8,254.94