Finding the Fourth Proportional to 1,391.03, 1,919.43 and 793.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391.03 : 1,919.43 = 793.46 : x
2. Step 2: Convert to fraction form
   1,391.03/1,919.43 = 793.46/x
3. Step 3: Cross multiply
   1,391.03x = 1,919.43 × 793.46
4. Step 4: Simplify right side
   1,391.03x = 1,522,981.33
5. Step 5: Solve for x
   x = 1,522,981.33/1,391.03
6. Step 6: Final answer
   x = 1,094.86