Finding the Fourth Proportional to 2,028.90, 3,041.55 and 1,810.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.90 : 3,041.55 = 1,810.20 : x
2. Step 2: Convert to fraction form
   2,028.90/3,041.55 = 1,810.20/x
3. Step 3: Cross multiply
   2,028.90x = 3,041.55 × 1,810.20
4. Step 4: Simplify right side
   2,028.90x = 5,505,813.81
5. Step 5: Solve for x
   x = 5,505,813.81/2,028.90
6. Step 6: Final answer
   x = 2,713.69