Finding the Fourth Proportional to 3,686.43, 5,085.88 and 2,359.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.43 : 5,085.88 = 2,359.92 : x
2. Step 2: Convert to fraction form
   3,686.43/5,085.88 = 2,359.92/x
3. Step 3: Cross multiply
   3,686.43x = 5,085.88 × 2,359.92
4. Step 4: Simplify right side
   3,686.43x = 12,002,269.93
5. Step 5: Solve for x
   x = 12,002,269.93/3,686.43
6. Step 6: Final answer
   x = 3,255.80