Finding the Fourth Proportional to 1,397.40, 2,093.94 and 746.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.40 : 2,093.94 = 746.16 : x
2. Step 2: Convert to fraction form
   1,397.40/2,093.94 = 746.16/x
3. Step 3: Cross multiply
   1,397.40x = 2,093.94 × 746.16
4. Step 4: Simplify right side
   1,397.40x = 1,562,414.27
5. Step 5: Solve for x
   x = 1,562,414.27/1,397.40
6. Step 6: Final answer
   x = 1,118.09