Finding the Fourth Proportional to 2,090.20, 3,122.72 and 1,849.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.20 : 3,122.72 = 1,849.36 : x
2. Step 2: Convert to fraction form
   2,090.20/3,122.72 = 1,849.36/x
3. Step 3: Cross multiply
   2,090.20x = 3,122.72 × 1,849.36
4. Step 4: Simplify right side
   2,090.20x = 5,775,033.46
5. Step 5: Solve for x
   x = 5,775,033.46/2,090.20
6. Step 6: Final answer
   x = 2,762.91