Finding the Fourth Proportional to 9,196.26, 12,695.16 and 5,418.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.26 : 12,695.16 = 5,418.24 : x
2. Step 2: Convert to fraction form
   9,196.26/12,695.16 = 5,418.24/x
3. Step 3: Cross multiply
   9,196.26x = 12,695.16 × 5,418.24
4. Step 4: Simplify right side
   9,196.26x = 68,785,423.72
5. Step 5: Solve for x
   x = 68,785,423.72/9,196.26
6. Step 6: Final answer
   x = 7,479.72