Finding the Fourth Proportional to 9,168.32, 12,613.92 and 7,068.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,168.32 : 12,613.92 = 7,068.80 : x
2. Step 2: Convert to fraction form
   9,168.32/12,613.92 = 7,068.80/x
3. Step 3: Cross multiply
   9,168.32x = 12,613.92 × 7,068.80
4. Step 4: Simplify right side
   9,168.32x = 89,165,277.70
5. Step 5: Solve for x
   x = 89,165,277.70/9,168.32
6. Step 6: Final answer
   x = 9,725.37