Finding the Fourth Proportional to 13,086.08, 19,629.23 and 3,726.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.08 : 19,629.23 = 3,726.09 : x
2. Step 2: Convert to fraction form
   13,086.08/19,629.23 = 3,726.09/x
3. Step 3: Cross multiply
   13,086.08x = 19,629.23 × 3,726.09
4. Step 4: Simplify right side
   13,086.08x = 73,140,179.46
5. Step 5: Solve for x
   x = 73,140,179.46/13,086.08
6. Step 6: Final answer
   x = 5,589.16