Finding the Fourth Proportional to 10,827.78, 16,229.78 and 7,074.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.78 : 16,229.78 = 7,074.94 : x
2. Step 2: Convert to fraction form
   10,827.78/16,229.78 = 7,074.94/x
3. Step 3: Cross multiply
   10,827.78x = 16,229.78 × 7,074.94
4. Step 4: Simplify right side
   10,827.78x = 114,824,719.71
5. Step 5: Solve for x
   x = 114,824,719.71/10,827.78
6. Step 6: Final answer
   x = 10,604.64