Finding the Fourth Proportional to 11,487.34, 17,231.10 and 3,167.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,487.34 : 17,231.10 = 3,167.82 : x
2. Step 2: Convert to fraction form
   11,487.34/17,231.10 = 3,167.82/x
3. Step 3: Cross multiply
   11,487.34x = 17,231.10 × 3,167.82
4. Step 4: Simplify right side
   11,487.34x = 54,585,023.20
5. Step 5: Solve for x
   x = 54,585,023.20/11,487.34
6. Step 6: Final answer
   x = 4,751.75