Finding the Fourth Proportional to 31,033.50, 46,513.78 and 14,358.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,033.50 : 46,513.78 = 14,358.31 : x
2. Step 2: Convert to fraction form
   31,033.50/46,513.78 = 14,358.31/x
3. Step 3: Cross multiply
   31,033.50x = 46,513.78 × 14,358.31
4. Step 4: Simplify right side
   31,033.50x = 667,859,120.33
5. Step 5: Solve for x
   x = 667,859,120.33/31,033.50
6. Step 6: Final answer
   x = 21,520.59