Finding the Fourth Proportional to 9,224.73, 12,729.42 and 5,688

Step by Step Solution

1. Step 1: Write the proportion equation
   9,224.73 : 12,729.42 = 5,688 : x
2. Step 2: Convert to fraction form
   9,224.73/12,729.42 = 5,688/x
3. Step 3: Cross multiply
   9,224.73x = 12,729.42 × 5,688
4. Step 4: Simplify right side
   9,224.73x = 72,404,940.96
5. Step 5: Solve for x
   x = 72,404,940.96/9,224.73
6. Step 6: Final answer
   x = 7,849.00