Finding the Fourth Proportional to 13,086.33, 19,629.24 and 3,726.42

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.33 : 19,629.24 = 3,726.42 : x
2. Step 2: Convert to fraction form
   13,086.33/19,629.24 = 3,726.42/x
3. Step 3: Cross multiply
   13,086.33x = 19,629.24 × 3,726.42
4. Step 4: Simplify right side
   13,086.33x = 73,146,792.52
5. Step 5: Solve for x
   x = 73,146,792.52/13,086.33
6. Step 6: Final answer
   x = 5,589.56