Finding the Fourth Proportional to 14,238.86, 19,658.86 and 12,744.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,238.86 : 19,658.86 = 12,744.18 : x
2. Step 2: Convert to fraction form
   14,238.86/19,658.86 = 12,744.18/x
3. Step 3: Cross multiply
   14,238.86x = 19,658.86 × 12,744.18
4. Step 4: Simplify right side
   14,238.86x = 250,536,018.57
5. Step 5: Solve for x
   x = 250,536,018.57/14,238.86
6. Step 6: Final answer
   x = 17,595.24