Finding the Fourth Proportional to 1,308.48, 1,805.74 and 748.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308.48 : 1,805.74 = 748.94 : x
2. Step 2: Convert to fraction form
   1,308.48/1,805.74 = 748.94/x
3. Step 3: Cross multiply
   1,308.48x = 1,805.74 × 748.94
4. Step 4: Simplify right side
   1,308.48x = 1,352,381.89
5. Step 5: Solve for x
   x = 1,352,381.89/1,308.48
6. Step 6: Final answer
   x = 1,033.56