Finding the Fourth Proportional to 22,496.16, 31,043.34 and 13,546.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,496.16 : 31,043.34 = 13,546.56 : x
2. Step 2: Convert to fraction form
   22,496.16/31,043.34 = 13,546.56/x
3. Step 3: Cross multiply
   22,496.16x = 31,043.34 × 13,546.56
4. Step 4: Simplify right side
   22,496.16x = 420,530,467.91
5. Step 5: Solve for x
   x = 420,530,467.91/22,496.16
6. Step 6: Final answer
   x = 18,693.43