Finding the Fourth Proportional to 31,079.73, 42,890.52 and 16,932.58

Step by Step Solution

1. Step 1: Write the proportion equation
   31,079.73 : 42,890.52 = 16,932.58 : x
2. Step 2: Convert to fraction form
   31,079.73/42,890.52 = 16,932.58/x
3. Step 3: Cross multiply
   31,079.73x = 42,890.52 × 16,932.58
4. Step 4: Simplify right side
   31,079.73x = 726,247,161.14
5. Step 5: Solve for x
   x = 726,247,161.14/31,079.73
6. Step 6: Final answer
   x = 23,367.23