Finding the Fourth Proportional to 3,081.59, 4,622.32 and 2,091.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,081.59 : 4,622.32 = 2,091.94 : x
2. Step 2: Convert to fraction form
   3,081.59/4,622.32 = 2,091.94/x
3. Step 3: Cross multiply
   3,081.59x = 4,622.32 × 2,091.94
4. Step 4: Simplify right side
   3,081.59x = 9,669,616.10
5. Step 5: Solve for x
   x = 9,669,616.10/3,081.59
6. Step 6: Final answer
   x = 3,137.87