Finding the Fourth Proportional to 9,270.63, 12,793.78 and 5,079.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,270.63 : 12,793.78 = 5,079.15 : x
2. Step 2: Convert to fraction form
   9,270.63/12,793.78 = 5,079.15/x
3. Step 3: Cross multiply
   9,270.63x = 12,793.78 × 5,079.15
4. Step 4: Simplify right side
   9,270.63x = 64,981,527.69
5. Step 5: Solve for x
   x = 64,981,527.69/9,270.63
6. Step 6: Final answer
   x = 7,009.40