Finding the Fourth Proportional to 22,187.16, 30,618.72 and 12,251.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,187.16 : 30,618.72 = 12,251.16 : x
2. Step 2: Convert to fraction form
   22,187.16/30,618.72 = 12,251.16/x
3. Step 3: Cross multiply
   22,187.16x = 30,618.72 × 12,251.16
4. Step 4: Simplify right side
   22,187.16x = 375,114,837.72
5. Step 5: Solve for x
   x = 375,114,837.72/22,187.16
6. Step 6: Final answer
   x = 16,906.84