Finding the Fourth Proportional to 3,907.98, 5,383.89 and 2,726.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907.98 : 5,383.89 = 2,726.94 : x
2. Step 2: Convert to fraction form
   3,907.98/5,383.89 = 2,726.94/x
3. Step 3: Cross multiply
   3,907.98x = 5,383.89 × 2,726.94
4. Step 4: Simplify right side
   3,907.98x = 14,681,545.00
5. Step 5: Solve for x
   x = 14,681,545.00/3,907.98
6. Step 6: Final answer
   x = 3,756.81