Finding the Fourth Proportional to 22,253.56, 30,708.78 and 12,180.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,253.56 : 30,708.78 = 12,180.16 : x
2. Step 2: Convert to fraction form
   22,253.56/30,708.78 = 12,180.16/x
3. Step 3: Cross multiply
   22,253.56x = 30,708.78 × 12,180.16
4. Step 4: Simplify right side
   22,253.56x = 374,037,853.80
5. Step 5: Solve for x
   x = 374,037,853.80/22,253.56
6. Step 6: Final answer
   x = 16,808.00