Finding the Fourth Proportional to 2,070.10, 3,104.76 and 1,081.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.10 : 3,104.76 = 1,081.85 : x
2. Step 2: Convert to fraction form
   2,070.10/3,104.76 = 1,081.85/x
3. Step 3: Cross multiply
   2,070.10x = 3,104.76 × 1,081.85
4. Step 4: Simplify right side
   2,070.10x = 3,358,884.61
5. Step 5: Solve for x
   x = 3,358,884.61/2,070.10
6. Step 6: Final answer
   x = 1,622.57