Finding the Fourth Proportional to 2,268.72, 3,131.01 and 1,274.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.72 : 3,131.01 = 1,274.06 : x
2. Step 2: Convert to fraction form
   2,268.72/3,131.01 = 1,274.06/x
3. Step 3: Cross multiply
   2,268.72x = 3,131.01 × 1,274.06
4. Step 4: Simplify right side
   2,268.72x = 3,989,094.60
5. Step 5: Solve for x
   x = 3,989,094.60/2,268.72
6. Step 6: Final answer
   x = 1,758.30