Finding the Fourth Proportional to 22,443.59, 30,972.24 and 12,234.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,443.59 : 30,972.24 = 12,234.57 : x
2. Step 2: Convert to fraction form
   22,443.59/30,972.24 = 12,234.57/x
3. Step 3: Cross multiply
   22,443.59x = 30,972.24 × 12,234.57
4. Step 4: Simplify right side
   22,443.59x = 378,931,922.19
5. Step 5: Solve for x
   x = 378,931,922.19/22,443.59
6. Step 6: Final answer
   x = 16,883.75