Finding the Fourth Proportional to 2,057.04, 3,099.87 and 1,862.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057.04 : 3,099.87 = 1,862.10 : x
2. Step 2: Convert to fraction form
   2,057.04/3,099.87 = 1,862.10/x
3. Step 3: Cross multiply
   2,057.04x = 3,099.87 × 1,862.10
4. Step 4: Simplify right side
   2,057.04x = 5,772,267.93
5. Step 5: Solve for x
   x = 5,772,267.93/2,057.04
6. Step 6: Final answer
   x = 2,806.10