Finding the Fourth Proportional to 10,726.85, 16,091.37 and 3,705.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,726.85 : 16,091.37 = 3,705.95 : x
2. Step 2: Convert to fraction form
   10,726.85/16,091.37 = 3,705.95/x
3. Step 3: Cross multiply
   10,726.85x = 16,091.37 × 3,705.95
4. Step 4: Simplify right side
   10,726.85x = 59,633,852.88
5. Step 5: Solve for x
   x = 59,633,852.88/10,726.85
6. Step 6: Final answer
   x = 5,559.31