Finding the Fourth Proportional to 2,583.86, 3,857.04 and 2,391.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583.86 : 3,857.04 = 2,391.12 : x
2. Step 2: Convert to fraction form
   2,583.86/3,857.04 = 2,391.12/x
3. Step 3: Cross multiply
   2,583.86x = 3,857.04 × 2,391.12
4. Step 4: Simplify right side
   2,583.86x = 9,222,645.48
5. Step 5: Solve for x
   x = 9,222,645.48/2,583.86
6. Step 6: Final answer
   x = 3,569.34