Finding the Fourth Proportional to 22,047.75, 30,425.90 and 12,111.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,047.75 : 30,425.90 = 12,111.75 : x
2. Step 2: Convert to fraction form
   22,047.75/30,425.90 = 12,111.75/x
3. Step 3: Cross multiply
   22,047.75x = 30,425.90 × 12,111.75
4. Step 4: Simplify right side
   22,047.75x = 368,510,894.33
5. Step 5: Solve for x
   x = 368,510,894.33/22,047.75
6. Step 6: Final answer
   x = 16,714.22