Finding the Fourth Proportional to 1,340.30, 1,849.70 and 750.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.30 : 1,849.70 = 750.89 : x
2. Step 2: Convert to fraction form
   1,340.30/1,849.70 = 750.89/x
3. Step 3: Cross multiply
   1,340.30x = 1,849.70 × 750.89
4. Step 4: Simplify right side
   1,340.30x = 1,388,921.23
5. Step 5: Solve for x
   x = 1,388,921.23/1,340.30
6. Step 6: Final answer
   x = 1,036.28