Finding the Fourth Proportional to 2,090.02, 3,132.74 and 1,268.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.02 : 3,132.74 = 1,268.07 : x
2. Step 2: Convert to fraction form
   2,090.02/3,132.74 = 1,268.07/x
3. Step 3: Cross multiply
   2,090.02x = 3,132.74 × 1,268.07
4. Step 4: Simplify right side
   2,090.02x = 3,972,533.61
5. Step 5: Solve for x
   x = 3,972,533.61/2,090.02
6. Step 6: Final answer
   x = 1,900.72