Finding the Fourth Proportional to 9,222.89, 13,831.47 and 2,981.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,222.89 : 13,831.47 = 2,981.75 : x
2. Step 2: Convert to fraction form
   9,222.89/13,831.47 = 2,981.75/x
3. Step 3: Cross multiply
   9,222.89x = 13,831.47 × 2,981.75
4. Step 4: Simplify right side
   9,222.89x = 41,241,916.52
5. Step 5: Solve for x
   x = 41,241,916.52/9,222.89
6. Step 6: Final answer
   x = 4,471.69