Finding the Fourth Proportional to 9,168.24, 12,653.40 and 5,442.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.24 : 12,653.40 = 5,442.48 : x
2. Step 2: Convert to fraction form
   9,168.24/12,653.40 = 5,442.48/x
3. Step 3: Cross multiply
   9,168.24x = 12,653.40 × 5,442.48
4. Step 4: Simplify right side
   9,168.24x = 68,865,876.43
5. Step 5: Solve for x
   x = 68,865,876.43/9,168.24
6. Step 6: Final answer
   x = 7,511.35