Finding the Fourth Proportional to 2,079.80, 3,110.52 and 1,850.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.80 : 3,110.52 = 1,850.30 : x
2. Step 2: Convert to fraction form
   2,079.80/3,110.52 = 1,850.30/x
3. Step 3: Cross multiply
   2,079.80x = 3,110.52 × 1,850.30
4. Step 4: Simplify right side
   2,079.80x = 5,755,395.16
5. Step 5: Solve for x
   x = 5,755,395.16/2,079.80
6. Step 6: Final answer
   x = 2,767.28