Finding the Fourth Proportional to 31,162.24, 43,003.28 and 17,015.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,162.24 : 43,003.28 = 17,015.16 : x
2. Step 2: Convert to fraction form
   31,162.24/43,003.28 = 17,015.16/x
3. Step 3: Cross multiply
   31,162.24x = 43,003.28 × 17,015.16
4. Step 4: Simplify right side
   31,162.24x = 731,707,689.72
5. Step 5: Solve for x
   x = 731,707,689.72/31,162.24
6. Step 6: Final answer
   x = 23,480.59