Finding the Fourth Proportional to 22,117.10, 30,524.10 and 13,164.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,117.10 : 30,524.10 = 13,164.62 : x
2. Step 2: Convert to fraction form
   22,117.10/30,524.10 = 13,164.62/x
3. Step 3: Cross multiply
   22,117.10x = 30,524.10 × 13,164.62
4. Step 4: Simplify right side
   22,117.10x = 401,838,024.72
5. Step 5: Solve for x
   x = 401,838,024.72/22,117.10
6. Step 6: Final answer
   x = 18,168.66