Finding the Fourth Proportional to 9,528.94, 13,149.98 and 5,552.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,528.94 : 13,149.98 = 5,552.78 : x
2. Step 2: Convert to fraction form
   9,528.94/13,149.98 = 5,552.78/x
3. Step 3: Cross multiply
   9,528.94x = 13,149.98 × 5,552.78
4. Step 4: Simplify right side
   9,528.94x = 73,018,945.94
5. Step 5: Solve for x
   x = 73,018,945.94/9,528.94
6. Step 6: Final answer
   x = 7,662.86