Finding the Fourth Proportional to 22,627.62, 31,225.38 and 13,671.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,627.62 : 31,225.38 = 13,671.78 : x
2. Step 2: Convert to fraction form
   22,627.62/31,225.38 = 13,671.78/x
3. Step 3: Cross multiply
   22,627.62x = 31,225.38 × 13,671.78
4. Step 4: Simplify right side
   22,627.62x = 426,906,525.78
5. Step 5: Solve for x
   x = 426,906,525.78/22,627.62
6. Step 6: Final answer
   x = 18,866.61