Finding the Fourth Proportional to 31,073.50, 42,881.52 and 16,926.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.50 : 42,881.52 = 16,926.37 : x
2. Step 2: Convert to fraction form
   31,073.50/42,881.52 = 16,926.37/x
3. Step 3: Cross multiply
   31,073.50x = 42,881.52 × 16,926.37
4. Step 4: Simplify right side
   31,073.50x = 725,828,473.68
5. Step 5: Solve for x
   x = 725,828,473.68/31,073.50
6. Step 6: Final answer
   x = 23,358.44