Finding the Fourth Proportional to 4,085.88, 6,131.57 and 2,626.05

Step by Step Solution

1. Step 1: Write the proportion equation
   4,085.88 : 6,131.57 = 2,626.05 : x
2. Step 2: Convert to fraction form
   4,085.88/6,131.57 = 2,626.05/x
3. Step 3: Cross multiply
   4,085.88x = 6,131.57 × 2,626.05
4. Step 4: Simplify right side
   4,085.88x = 16,101,796.27
5. Step 5: Solve for x
   x = 16,101,796.27/4,085.88
6. Step 6: Final answer
   x = 3,940.84