Finding the Fourth Proportional to 10,826.48, 14,940.24 and 6,111.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.48 : 14,940.24 = 6,111.20 : x
2. Step 2: Convert to fraction form
   10,826.48/14,940.24 = 6,111.20/x
3. Step 3: Cross multiply
   10,826.48x = 14,940.24 × 6,111.20
4. Step 4: Simplify right side
   10,826.48x = 91,302,794.69
5. Step 5: Solve for x
   x = 91,302,794.69/10,826.48
6. Step 6: Final answer
   x = 8,433.29