Finding the Fourth Proportional to 16,736.52, 25,078.26 and 13,601.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,736.52 : 25,078.26 = 13,601.40 : x
2. Step 2: Convert to fraction form
   16,736.52/25,078.26 = 13,601.40/x
3. Step 3: Cross multiply
   16,736.52x = 25,078.26 × 13,601.40
4. Step 4: Simplify right side
   16,736.52x = 341,099,445.56
5. Step 5: Solve for x
   x = 341,099,445.56/16,736.52
6. Step 6: Final answer
   x = 20,380.55