Finding the Fourth Proportional to 3,792.12, 5,233.37 and 2,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.12 : 5,233.37 = 2,113.50 : x
2. Step 2: Convert to fraction form
   3,792.12/5,233.37 = 2,113.50/x
3. Step 3: Cross multiply
   3,792.12x = 5,233.37 × 2,113.50
4. Step 4: Simplify right side
   3,792.12x = 11,060,716.93
5. Step 5: Solve for x
   x = 11,060,716.93/3,792.12
6. Step 6: Final answer
   x = 2,916.76