Finding the Fourth Proportional to 11,022.53, 15,211.10 and 5,986.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,022.53 : 15,211.10 = 5,986.76 : x
2. Step 2: Convert to fraction form
   11,022.53/15,211.10 = 5,986.76/x
3. Step 3: Cross multiply
   11,022.53x = 15,211.10 × 5,986.76
4. Step 4: Simplify right side
   11,022.53x = 91,065,143.95
5. Step 5: Solve for x
   x = 91,065,143.95/11,022.53
6. Step 6: Final answer
   x = 8,261.73