Finding the Fourth Proportional to 2,391.12, 3,581.82 and 2,083.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.12 : 3,581.82 = 2,083.32 : x
2. Step 2: Convert to fraction form
   2,391.12/3,581.82 = 2,083.32/x
3. Step 3: Cross multiply
   2,391.12x = 3,581.82 × 2,083.32
4. Step 4: Simplify right side
   2,391.12x = 7,462,077.24
5. Step 5: Solve for x
   x = 7,462,077.24/2,391.12
6. Step 6: Final answer
   x = 3,120.75