Finding the Fourth Proportional to 10,826.48, 16,236.42 and 5,629.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.48 : 16,236.42 = 5,629.52 : x
2. Step 2: Convert to fraction form
   10,826.48/16,236.42 = 5,629.52/x
3. Step 3: Cross multiply
   10,826.48x = 16,236.42 × 5,629.52
4. Step 4: Simplify right side
   10,826.48x = 91,403,251.12
5. Step 5: Solve for x
   x = 91,403,251.12/10,826.48
6. Step 6: Final answer
   x = 8,442.56