Finding the Fourth Proportional to 22,103.86, 30,512.18 and 13,149.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.86 : 30,512.18 = 13,149.62 : x
2. Step 2: Convert to fraction form
   22,103.86/30,512.18 = 13,149.62/x
3. Step 3: Cross multiply
   22,103.86x = 30,512.18 × 13,149.62
4. Step 4: Simplify right side
   22,103.86x = 401,223,572.37
5. Step 5: Solve for x
   x = 401,223,572.37/22,103.86
6. Step 6: Final answer
   x = 18,151.74