Finding the Fourth Proportional to 10,826.75, 16,245.27 and 7,500.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.75 : 16,245.27 = 7,500.12 : x
2. Step 2: Convert to fraction form
   10,826.75/16,245.27 = 7,500.12/x
3. Step 3: Cross multiply
   10,826.75x = 16,245.27 × 7,500.12
4. Step 4: Simplify right side
   10,826.75x = 121,841,474.43
5. Step 5: Solve for x
   x = 121,841,474.43/10,826.75
6. Step 6: Final answer
   x = 11,253.75