Finding the Fourth Proportional to 2,658.78, 3,995.73 and 1,799.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.78 : 3,995.73 = 1,799.10 : x
2. Step 2: Convert to fraction form
   2,658.78/3,995.73 = 1,799.10/x
3. Step 3: Cross multiply
   2,658.78x = 3,995.73 × 1,799.10
4. Step 4: Simplify right side
   2,658.78x = 7,188,717.84
5. Step 5: Solve for x
   x = 7,188,717.84/2,658.78
6. Step 6: Final answer
   x = 2,703.77