Finding the Fourth Proportional to 1,335.69, 1,843.09 and 746.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,335.69 : 1,843.09 = 746.21 : x
2. Step 2: Convert to fraction form
   1,335.69/1,843.09 = 746.21/x
3. Step 3: Cross multiply
   1,335.69x = 1,843.09 × 746.21
4. Step 4: Simplify right side
   1,335.69x = 1,375,334.93
5. Step 5: Solve for x
   x = 1,375,334.93/1,335.69
6. Step 6: Final answer
   x = 1,029.68