Finding the Fourth Proportional to 2,554.79, 3,830.76 and 799.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.79 : 3,830.76 = 799.25 : x
2. Step 2: Convert to fraction form
   2,554.79/3,830.76 = 799.25/x
3. Step 3: Cross multiply
   2,554.79x = 3,830.76 × 799.25
4. Step 4: Simplify right side
   2,554.79x = 3,061,715.78
5. Step 5: Solve for x
   x = 3,061,715.78/2,554.79
6. Step 6: Final answer
   x = 1,198.42