Finding the Fourth Proportional to 9,270.96, 12,793.86 and 5,079.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,270.96 : 12,793.86 = 5,079.12 : x
2. Step 2: Convert to fraction form
   9,270.96/12,793.86 = 5,079.12/x
3. Step 3: Cross multiply
   9,270.96x = 12,793.86 × 5,079.12
4. Step 4: Simplify right side
   9,270.96x = 64,981,550.20
5. Step 5: Solve for x
   x = 64,981,550.20/9,270.96
6. Step 6: Final answer
   x = 7,009.15