Finding the Fourth Proportional to 9,223.54, 12,724.86 and 5,680.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.54 : 12,724.86 = 5,680.60 : x
2. Step 2: Convert to fraction form
   9,223.54/12,724.86 = 5,680.60/x
3. Step 3: Cross multiply
   9,223.54x = 12,724.86 × 5,680.60
4. Step 4: Simplify right side
   9,223.54x = 72,284,829.21
5. Step 5: Solve for x
   x = 72,284,829.21/9,223.54
6. Step 6: Final answer
   x = 7,837.00