Finding the Fourth Proportional to 1,343.72, 1,854.32 and 746.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.72 : 1,854.32 = 746.21 : x
2. Step 2: Convert to fraction form
   1,343.72/1,854.32 = 746.21/x
3. Step 3: Cross multiply
   1,343.72x = 1,854.32 × 746.21
4. Step 4: Simplify right side
   1,343.72x = 1,383,702.86
5. Step 5: Solve for x
   x = 1,383,702.86/1,343.72
6. Step 6: Final answer
   x = 1,029.76