Finding the Fourth Proportional to 13,175.33, 18,183.69 and 7,512.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,175.33 : 18,183.69 = 7,512.12 : x
2. Step 2: Convert to fraction form
   13,175.33/18,183.69 = 7,512.12/x
3. Step 3: Cross multiply
   13,175.33x = 18,183.69 × 7,512.12
4. Step 4: Simplify right side
   13,175.33x = 136,598,061.32
5. Step 5: Solve for x
   x = 136,598,061.32/13,175.33
6. Step 6: Final answer
   x = 10,367.72