Finding the Fourth Proportional to 1,441.82, 2,159.89 and 748.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.82 : 2,159.89 = 748.94 : x
2. Step 2: Convert to fraction form
   1,441.82/2,159.89 = 748.94/x
3. Step 3: Cross multiply
   1,441.82x = 2,159.89 × 748.94
4. Step 4: Simplify right side
   1,441.82x = 1,617,631.54
5. Step 5: Solve for x
   x = 1,617,631.54/1,441.82
6. Step 6: Final answer
   x = 1,121.94