Finding the Fourth Proportional to 10,104.72, 13,926.36 and 8,222.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.72 : 13,926.36 = 8,222.54 : x
2. Step 2: Convert to fraction form
   10,104.72/13,926.36 = 8,222.54/x
3. Step 3: Cross multiply
   10,104.72x = 13,926.36 × 8,222.54
4. Step 4: Simplify right side
   10,104.72x = 114,509,983.15
5. Step 5: Solve for x
   x = 114,509,983.15/10,104.72
6. Step 6: Final answer
   x = 11,332.32