Finding the Fourth Proportional to 13,224.42, 18,250.12 and 7,256.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,224.42 : 18,250.12 = 7,256.48 : x
2. Step 2: Convert to fraction form
   13,224.42/18,250.12 = 7,256.48/x
3. Step 3: Cross multiply
   13,224.42x = 18,250.12 × 7,256.48
4. Step 4: Simplify right side
   13,224.42x = 132,431,630.78
5. Step 5: Solve for x
   x = 132,431,630.78/13,224.42
6. Step 6: Final answer
   x = 10,014.17