Finding the Fourth Proportional to 31,687.49, 47,514.83 and 16,892.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,687.49 : 47,514.83 = 16,892.43 : x
2. Step 2: Convert to fraction form
   31,687.49/47,514.83 = 16,892.43/x
3. Step 3: Cross multiply
   31,687.49x = 47,514.83 × 16,892.43
4. Step 4: Simplify right side
   31,687.49x = 802,640,855.27
5. Step 5: Solve for x
   x = 802,640,855.27/31,687.49
6. Step 6: Final answer
   x = 25,329.90