Finding the Fourth Proportional to 31,039.26, 42,834.24 and 16,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,039.26 : 42,834.24 = 16,892.10 : x
2. Step 2: Convert to fraction form
   31,039.26/42,834.24 = 16,892.10/x
3. Step 3: Cross multiply
   31,039.26x = 42,834.24 × 16,892.10
4. Step 4: Simplify right side
   31,039.26x = 723,560,265.50
5. Step 5: Solve for x
   x = 723,560,265.50/31,039.26
6. Step 6: Final answer
   x = 23,311.13