Finding the Fourth Proportional to 2,253.78, 3,380.37 and 792.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.78 : 3,380.37 = 792.75 : x
2. Step 2: Convert to fraction form
   2,253.78/3,380.37 = 792.75/x
3. Step 3: Cross multiply
   2,253.78x = 3,380.37 × 792.75
4. Step 4: Simplify right side
   2,253.78x = 2,679,788.32
5. Step 5: Solve for x
   x = 2,679,788.32/2,253.78
6. Step 6: Final answer
   x = 1,189.02