Finding the Fourth Proportional to 9,255.84, 12,772.92 and 5,529.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.84 : 12,772.92 = 5,529.12 : x
2. Step 2: Convert to fraction form
   9,255.84/12,772.92 = 5,529.12/x
3. Step 3: Cross multiply
   9,255.84x = 12,772.92 × 5,529.12
4. Step 4: Simplify right side
   9,255.84x = 70,623,007.43
5. Step 5: Solve for x
   x = 70,623,007.43/9,255.84
6. Step 6: Final answer
   x = 7,630.10