Finding the Fourth Proportional to 3,792.82, 5,694.51 and 1,945.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.82 : 5,694.51 = 1,945.21 : x
2. Step 2: Convert to fraction form
   3,792.82/5,694.51 = 1,945.21/x
3. Step 3: Cross multiply
   3,792.82x = 5,694.51 × 1,945.21
4. Step 4: Simplify right side
   3,792.82x = 11,077,017.80
5. Step 5: Solve for x
   x = 11,077,017.80/3,792.82
6. Step 6: Final answer
   x = 2,920.52