Finding the Fourth Proportional to 31,462.92, 43,418.81 and 17,315.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,462.92 : 43,418.81 = 17,315.78 : x
2. Step 2: Convert to fraction form
   31,462.92/43,418.81 = 17,315.78/x
3. Step 3: Cross multiply
   31,462.92x = 43,418.81 × 17,315.78
4. Step 4: Simplify right side
   31,462.92x = 751,830,258.15
5. Step 5: Solve for x
   x = 751,830,258.15/31,462.92
6. Step 6: Final answer
   x = 23,895.76