Finding the Fourth Proportional to 2,081.61, 3,120.57 and 1,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.61 : 3,120.57 = 1,341.50 : x
2. Step 2: Convert to fraction form
   2,081.61/3,120.57 = 1,341.50/x
3. Step 3: Cross multiply
   2,081.61x = 3,120.57 × 1,341.50
4. Step 4: Simplify right side
   2,081.61x = 4,186,229.05
5. Step 5: Solve for x
   x = 4,186,229.05/2,081.61
6. Step 6: Final answer
   x = 2,011.05