Finding the Fourth Proportional to 22,067.56, 30,463.05 and 13,117.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,067.56 : 30,463.05 = 13,117.96 : x
2. Step 2: Convert to fraction form
   22,067.56/30,463.05 = 13,117.96/x
3. Step 3: Cross multiply
   22,067.56x = 30,463.05 × 13,117.96
4. Step 4: Simplify right side
   22,067.56x = 399,613,071.38
5. Step 5: Solve for x
   x = 399,613,071.38/22,067.56
6. Step 6: Final answer
   x = 18,108.62