Finding the Fourth Proportional to 13,225.24, 18,249.69 and 7,256.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,225.24 : 18,249.69 = 7,256.89 : x
2. Step 2: Convert to fraction form
   13,225.24/18,249.69 = 7,256.89/x
3. Step 3: Cross multiply
   13,225.24x = 18,249.69 × 7,256.89
4. Step 4: Simplify right side
   13,225.24x = 132,435,992.86
5. Step 5: Solve for x
   x = 132,435,992.86/13,225.24
6. Step 6: Final answer
   x = 10,013.88