Finding the Fourth Proportional to 11,338.72, 17,008.12 and 3,441.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,338.72 : 17,008.12 = 3,441.31 : x
2. Step 2: Convert to fraction form
   11,338.72/17,008.12 = 3,441.31/x
3. Step 3: Cross multiply
   11,338.72x = 17,008.12 × 3,441.31
4. Step 4: Simplify right side
   11,338.72x = 58,530,128.40
5. Step 5: Solve for x
   x = 58,530,128.40/11,338.72
6. Step 6: Final answer
   x = 5,161.97