Finding the Fourth Proportional to 31,258.38, 43,137.33 and 17,111.19

Step by Step Solution

1. Step 1: Write the proportion equation
   31,258.38 : 43,137.33 = 17,111.19 : x
2. Step 2: Convert to fraction form
   31,258.38/43,137.33 = 17,111.19/x
3. Step 3: Cross multiply
   31,258.38x = 43,137.33 × 17,111.19
4. Step 4: Simplify right side
   31,258.38x = 738,131,049.72
5. Step 5: Solve for x
   x = 738,131,049.72/31,258.38
6. Step 6: Final answer
   x = 23,613.86