Finding the Fourth Proportional to 11,859.20, 17,751.89 and 7,467.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,859.20 : 17,751.89 = 7,467.43 : x
2. Step 2: Convert to fraction form
   11,859.20/17,751.89 = 7,467.43/x
3. Step 3: Cross multiply
   11,859.20x = 17,751.89 × 7,467.43
4. Step 4: Simplify right side
   11,859.20x = 132,560,894.94
5. Step 5: Solve for x
   x = 132,560,894.94/11,859.20
6. Step 6: Final answer
   x = 11,177.90