Finding the Fourth Proportional to 22,289.10, 30,758.52 and 12,217.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,289.10 : 30,758.52 = 12,217.56 : x
2. Step 2: Convert to fraction form
   22,289.10/30,758.52 = 12,217.56/x
3. Step 3: Cross multiply
   22,289.10x = 30,758.52 × 12,217.56
4. Step 4: Simplify right side
   22,289.10x = 375,794,063.61
5. Step 5: Solve for x
   x = 375,794,063.61/22,289.10
6. Step 6: Final answer
   x = 16,859.99