Finding the Fourth Proportional to 1,375.38, 2,066.31 and 1,268.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.38 : 2,066.31 = 1,268.46 : x
2. Step 2: Convert to fraction form
   1,375.38/2,066.31 = 1,268.46/x
3. Step 3: Cross multiply
   1,375.38x = 2,066.31 × 1,268.46
4. Step 4: Simplify right side
   1,375.38x = 2,621,031.58
5. Step 5: Solve for x
   x = 2,621,031.58/1,375.38
6. Step 6: Final answer
   x = 1,905.68