Finding the Fourth Proportional to 3,792.71, 5,233.31 and 2,113.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.71 : 5,233.31 = 2,113.75 : x
2. Step 2: Convert to fraction form
   3,792.71/5,233.31 = 2,113.75/x
3. Step 3: Cross multiply
   3,792.71x = 5,233.31 × 2,113.75
4. Step 4: Simplify right side
   3,792.71x = 11,061,912.91
5. Step 5: Solve for x
   x = 11,061,912.91/3,792.71
6. Step 6: Final answer
   x = 2,916.62