Finding the Fourth Proportional to 31,288.43, 46,872.16 and 17,395.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,288.43 : 46,872.16 = 17,395.31 : x
2. Step 2: Convert to fraction form
   31,288.43/46,872.16 = 17,395.31/x
3. Step 3: Cross multiply
   31,288.43x = 46,872.16 × 17,395.31
4. Step 4: Simplify right side
   31,288.43x = 815,355,475.72
5. Step 5: Solve for x
   x = 815,355,475.72/31,288.43
6. Step 6: Final answer
   x = 26,059.33