Finding the Fourth Proportional to 2,092.53, 3,138.90 and 793.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.53 : 3,138.90 = 793.89 : x
2. Step 2: Convert to fraction form
   2,092.53/3,138.90 = 793.89/x
3. Step 3: Cross multiply
   2,092.53x = 3,138.90 × 793.89
4. Step 4: Simplify right side
   2,092.53x = 2,491,941.32
5. Step 5: Solve for x
   x = 2,491,941.32/2,092.53
6. Step 6: Final answer
   x = 1,190.87