Finding the Fourth Proportional to 22,178.88, 30,606.72 and 12,242.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,178.88 : 30,606.72 = 12,242.88 : x
2. Step 2: Convert to fraction form
   22,178.88/30,606.72 = 12,242.88/x
3. Step 3: Cross multiply
   22,178.88x = 30,606.72 × 12,242.88
4. Step 4: Simplify right side
   22,178.88x = 374,714,400.15
5. Step 5: Solve for x
   x = 374,714,400.15/22,178.88
6. Step 6: Final answer
   x = 16,895.10