Finding the Fourth Proportional to 22,277.72, 30,741.81 and 12,206.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,277.72 : 30,741.81 = 12,206.15 : x
2. Step 2: Convert to fraction form
   22,277.72/30,741.81 = 12,206.15/x
3. Step 3: Cross multiply
   22,277.72x = 30,741.81 × 12,206.15
4. Step 4: Simplify right side
   22,277.72x = 375,238,990.42
5. Step 5: Solve for x
   x = 375,238,990.42/22,277.72
6. Step 6: Final answer
   x = 16,843.69