Finding the Fourth Proportional to 9,407.25, 14,158.13 and 7,079.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,407.25 : 14,158.13 = 7,079.31 : x
2. Step 2: Convert to fraction form
   9,407.25/14,158.13 = 7,079.31/x
3. Step 3: Cross multiply
   9,407.25x = 14,158.13 × 7,079.31
4. Step 4: Simplify right side
   9,407.25x = 100,229,755.89
5. Step 5: Solve for x
   x = 100,229,755.89/9,407.25
6. Step 6: Final answer
   x = 10,654.52