Finding the Fourth Proportional to 22,472.01, 30,996.96 and 13,522.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,472.01 : 30,996.96 = 13,522.32 : x
2. Step 2: Convert to fraction form
   22,472.01/30,996.96 = 13,522.32/x
3. Step 3: Cross multiply
   22,472.01x = 30,996.96 × 13,522.32
4. Step 4: Simplify right side
   22,472.01x = 419,150,812.15
5. Step 5: Solve for x
   x = 419,150,812.15/22,472.01
6. Step 6: Final answer
   x = 18,652.13