Finding the Fourth Proportional to 9,223.73, 12,725.12 and 5,680.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.73 : 12,725.12 = 5,680.79 : x
2. Step 2: Convert to fraction form
   9,223.73/12,725.12 = 5,680.79/x
3. Step 3: Cross multiply
   9,223.73x = 12,725.12 × 5,680.79
4. Step 4: Simplify right side
   9,223.73x = 72,288,685.02
5. Step 5: Solve for x
   x = 72,288,685.02/9,223.73
6. Step 6: Final answer
   x = 7,837.26