Finding the Fourth Proportional to 1,336.21, 1,843.97 and 746.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.21 : 1,843.97 = 746.78 : x
2. Step 2: Convert to fraction form
   1,336.21/1,843.97 = 746.78/x
3. Step 3: Cross multiply
   1,336.21x = 1,843.97 × 746.78
4. Step 4: Simplify right side
   1,336.21x = 1,377,046.39
5. Step 5: Solve for x
   x = 1,377,046.39/1,336.21
6. Step 6: Final answer
   x = 1,030.56