Finding the Fourth Proportional to 22,281.09, 30,748.41 and 12,210

Step by Step Solution

1. Step 1: Write the proportion equation
   22,281.09 : 30,748.41 = 12,210 : x
2. Step 2: Convert to fraction form
   22,281.09/30,748.41 = 12,210/x
3. Step 3: Cross multiply
   22,281.09x = 30,748.41 × 12,210
4. Step 4: Simplify right side
   22,281.09x = 375,438,086.10
5. Step 5: Solve for x
   x = 375,438,086.10/22,281.09
6. Step 6: Final answer
   x = 16,850.08