Finding the Fourth Proportional to 2,747.40, 4,122.06 and 799.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747.40 : 4,122.06 = 799.72 : x
2. Step 2: Convert to fraction form
   2,747.40/4,122.06 = 799.72/x
3. Step 3: Cross multiply
   2,747.40x = 4,122.06 × 799.72
4. Step 4: Simplify right side
   2,747.40x = 3,296,493.82
5. Step 5: Solve for x
   x = 3,296,493.82/2,747.40
6. Step 6: Final answer
   x = 1,199.86