Finding the Fourth Proportional to 10,617.50, 15,942.69 and 5,696.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,617.50 : 15,942.69 = 5,696.75 : x
2. Step 2: Convert to fraction form
   10,617.50/15,942.69 = 5,696.75/x
3. Step 3: Cross multiply
   10,617.50x = 15,942.69 × 5,696.75
4. Step 4: Simplify right side
   10,617.50x = 90,821,439.54
5. Step 5: Solve for x
   x = 90,821,439.54/10,617.50
6. Step 6: Final answer
   x = 8,553.94