Finding the Fourth Proportional to 3,393.85, 5,092.69 and 2,651.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,393.85 : 5,092.69 = 2,651.38 : x
2. Step 2: Convert to fraction form
   3,393.85/5,092.69 = 2,651.38/x
3. Step 3: Cross multiply
   3,393.85x = 5,092.69 × 2,651.38
4. Step 4: Simplify right side
   3,393.85x = 13,502,658.53
5. Step 5: Solve for x
   x = 13,502,658.53/3,393.85
6. Step 6: Final answer
   x = 3,978.56