Finding the Fourth Proportional to 11,314.18, 16,981.68 and 5,771.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,314.18 : 16,981.68 = 5,771.50 : x
2. Step 2: Convert to fraction form
   11,314.18/16,981.68 = 5,771.50/x
3. Step 3: Cross multiply
   11,314.18x = 16,981.68 × 5,771.50
4. Step 4: Simplify right side
   11,314.18x = 98,009,766.12
5. Step 5: Solve for x
   x = 98,009,766.12/11,314.18
6. Step 6: Final answer
   x = 8,662.56