Finding the Fourth Proportional to 2,080.62, 3,117.83 and 1,896.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.62 : 3,117.83 = 1,896.21 : x
2. Step 2: Convert to fraction form
   2,080.62/3,117.83 = 1,896.21/x
3. Step 3: Cross multiply
   2,080.62x = 3,117.83 × 1,896.21
4. Step 4: Simplify right side
   2,080.62x = 5,912,050.94
5. Step 5: Solve for x
   x = 5,912,050.94/2,080.62
6. Step 6: Final answer
   x = 2,841.49