Finding the Fourth Proportional to 3,626.41, 5,006.85 and 2,785.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,626.41 : 5,006.85 = 2,785.61 : x
2. Step 2: Convert to fraction form
   3,626.41/5,006.85 = 2,785.61/x
3. Step 3: Cross multiply
   3,626.41x = 5,006.85 × 2,785.61
4. Step 4: Simplify right side
   3,626.41x = 13,947,131.43
5. Step 5: Solve for x
   x = 13,947,131.43/3,626.41
6. Step 6: Final answer
   x = 3,845.99