Finding the Fourth Proportional to 10,618.27, 15,939.69 and 5,697.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.27 : 15,939.69 = 5,697.52 : x
2. Step 2: Convert to fraction form
   10,618.27/15,939.69 = 5,697.52/x
3. Step 3: Cross multiply
   10,618.27x = 15,939.69 × 5,697.52
4. Step 4: Simplify right side
   10,618.27x = 90,816,702.57
5. Step 5: Solve for x
   x = 90,816,702.57/10,618.27
6. Step 6: Final answer
   x = 8,552.87