Finding the Fourth Proportional to 22,146.14, 30,561.67 and 12,210.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,146.14 : 30,561.67 = 12,210.14 : x
2. Step 2: Convert to fraction form
   22,146.14/30,561.67 = 12,210.14/x
3. Step 3: Cross multiply
   22,146.14x = 30,561.67 × 12,210.14
4. Step 4: Simplify right side
   22,146.14x = 373,162,269.33
5. Step 5: Solve for x
   x = 373,162,269.33/22,146.14
6. Step 6: Final answer
   x = 16,849.99