Finding the Fourth Proportional to 14,216.27, 19,617.11 and 13,738.55

Step by Step Solution

1. Step 1: Write the proportion equation
   14,216.27 : 19,617.11 = 13,738.55 : x
2. Step 2: Convert to fraction form
   14,216.27/19,617.11 = 13,738.55/x
3. Step 3: Cross multiply
   14,216.27x = 19,617.11 × 13,738.55
4. Step 4: Simplify right side
   14,216.27x = 269,510,646.59
5. Step 5: Solve for x
   x = 269,510,646.59/14,216.27
6. Step 6: Final answer
   x = 18,957.91