Finding the Fourth Proportional to 10,726.88, 16,086.36 and 3,705.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,726.88 : 16,086.36 = 3,705.10 : x
2. Step 2: Convert to fraction form
   10,726.88/16,086.36 = 3,705.10/x
3. Step 3: Cross multiply
   10,726.88x = 16,086.36 × 3,705.10
4. Step 4: Simplify right side
   10,726.88x = 59,601,572.44
5. Step 5: Solve for x
   x = 59,601,572.44/10,726.88
6. Step 6: Final answer
   x = 5,556.28