Finding the Fourth Proportional to 10,494.15, 15,754.59 and 9,022.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,494.15 : 15,754.59 = 9,022.79 : x
2. Step 2: Convert to fraction form
   10,494.15/15,754.59 = 9,022.79/x
3. Step 3: Cross multiply
   10,494.15x = 15,754.59 × 9,022.79
4. Step 4: Simplify right side
   10,494.15x = 142,150,278.33
5. Step 5: Solve for x
   x = 142,150,278.33/10,494.15
6. Step 6: Final answer
   x = 13,545.67