Finding the Fourth Proportional to 31,426.29, 43,369.02 and 17,086.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,426.29 : 43,369.02 = 17,086.94 : x
2. Step 2: Convert to fraction form
   31,426.29/43,369.02 = 17,086.94/x
3. Step 3: Cross multiply
   31,426.29x = 43,369.02 × 17,086.94
4. Step 4: Simplify right side
   31,426.29x = 741,043,540.32
5. Step 5: Solve for x
   x = 741,043,540.32/31,426.29
6. Step 6: Final answer
   x = 23,580.37