Finding the Fourth Proportional to 9,223.78, 12,725.18 and 5,680.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.78 : 12,725.18 = 5,680.84 : x
2. Step 2: Convert to fraction form
   9,223.78/12,725.18 = 5,680.84/x
3. Step 3: Cross multiply
   9,223.78x = 12,725.18 × 5,680.84
4. Step 4: Simplify right side
   9,223.78x = 72,289,711.55
5. Step 5: Solve for x
   x = 72,289,711.55/9,223.78
6. Step 6: Final answer
   x = 7,837.32