Finding the Fourth Proportional to 10,618.25, 15,943.82 and 5,697.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.25 : 15,943.82 = 5,697.50 : x
2. Step 2: Convert to fraction form
   10,618.25/15,943.82 = 5,697.50/x
3. Step 3: Cross multiply
   10,618.25x = 15,943.82 × 5,697.50
4. Step 4: Simplify right side
   10,618.25x = 90,839,806.24
5. Step 5: Solve for x
   x = 90,839,806.24/10,618.25
6. Step 6: Final answer
   x = 8,555.07