Finding the Fourth Proportional to 1,340.72, 1,850.21 and 751.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.72 : 1,850.21 = 751.27 : x
2. Step 2: Convert to fraction form
   1,340.72/1,850.21 = 751.27/x
3. Step 3: Cross multiply
   1,340.72x = 1,850.21 × 751.27
4. Step 4: Simplify right side
   1,340.72x = 1,390,007.27
5. Step 5: Solve for x
   x = 1,390,007.27/1,340.72
6. Step 6: Final answer
   x = 1,036.76