Finding the Fourth Proportional to 11,711.25, 17,566.43 and 5,137.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,711.25 : 17,566.43 = 5,137.49 : x
2. Step 2: Convert to fraction form
   11,711.25/17,566.43 = 5,137.49/x
3. Step 3: Cross multiply
   11,711.25x = 17,566.43 × 5,137.49
4. Step 4: Simplify right side
   11,711.25x = 90,247,376.69
5. Step 5: Solve for x
   x = 90,247,376.69/11,711.25
6. Step 6: Final answer
   x = 7,706.04