Finding the Fourth Proportional to 22,288.84, 30,758.18 and 12,217

Step by Step Solution

1. Step 1: Write the proportion equation
   22,288.84 : 30,758.18 = 12,217 : x
2. Step 2: Convert to fraction form
   22,288.84/30,758.18 = 12,217/x
3. Step 3: Cross multiply
   22,288.84x = 30,758.18 × 12,217
4. Step 4: Simplify right side
   22,288.84x = 375,772,685.06
5. Step 5: Solve for x
   x = 375,772,685.06/22,288.84
6. Step 6: Final answer
   x = 16,859.23