Finding the Fourth Proportional to 9,220.52, 12,728.98 and 5,444.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,220.52 : 12,728.98 = 5,444.82 : x
2. Step 2: Convert to fraction form
   9,220.52/12,728.98 = 5,444.82/x
3. Step 3: Cross multiply
   9,220.52x = 12,728.98 × 5,444.82
4. Step 4: Simplify right side
   9,220.52x = 69,307,004.88
5. Step 5: Solve for x
   x = 69,307,004.88/9,220.52
6. Step 6: Final answer
   x = 7,516.60