Finding the Fourth Proportional to 2,090.04, 3,132.78 and 1,268.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.04 : 3,132.78 = 1,268.10 : x
2. Step 2: Convert to fraction form
   2,090.04/3,132.78 = 1,268.10/x
3. Step 3: Cross multiply
   2,090.04x = 3,132.78 × 1,268.10
4. Step 4: Simplify right side
   2,090.04x = 3,972,678.32
5. Step 5: Solve for x
   x = 3,972,678.32/2,090.04
6. Step 6: Final answer
   x = 1,900.77