Finding the Fourth Proportional to 8,881.72, 12,255.28 and 5,295.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,881.72 : 12,255.28 = 5,295.56 : x
2. Step 2: Convert to fraction form
   8,881.72/12,255.28 = 5,295.56/x
3. Step 3: Cross multiply
   8,881.72x = 12,255.28 × 5,295.56
4. Step 4: Simplify right side
   8,881.72x = 64,898,570.56
5. Step 5: Solve for x
   x = 64,898,570.56/8,881.72
6. Step 6: Final answer
   x = 7,306.98