Finding the Fourth Proportional to 11,433.72, 17,150.37 and 3,113.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,433.72 : 17,150.37 = 3,113.61 : x
2. Step 2: Convert to fraction form
   11,433.72/17,150.37 = 3,113.61/x
3. Step 3: Cross multiply
   11,433.72x = 17,150.37 × 3,113.61
4. Step 4: Simplify right side
   11,433.72x = 53,399,563.54
5. Step 5: Solve for x
   x = 53,399,563.54/11,433.72
6. Step 6: Final answer
   x = 4,670.36