Finding the Fourth Proportional to 22,174.32, 30,601.12 and 13,223.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,174.32 : 30,601.12 = 13,223.56 : x
2. Step 2: Convert to fraction form
   22,174.32/30,601.12 = 13,223.56/x
3. Step 3: Cross multiply
   22,174.32x = 30,601.12 × 13,223.56
4. Step 4: Simplify right side
   22,174.32x = 404,655,746.39
5. Step 5: Solve for x
   x = 404,655,746.39/22,174.32
6. Step 6: Final answer
   x = 18,248.85