Finding the Fourth Proportional to 11,144.34, 16,706.76 and 5,589.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,144.34 : 16,706.76 = 5,589.90 : x
2. Step 2: Convert to fraction form
   11,144.34/16,706.76 = 5,589.90/x
3. Step 3: Cross multiply
   11,144.34x = 16,706.76 × 5,589.90
4. Step 4: Simplify right side
   11,144.34x = 93,389,117.72
5. Step 5: Solve for x
   x = 93,389,117.72/11,144.34
6. Step 6: Final answer
   x = 8,379.96