Finding the Fourth Proportional to 31,074.39, 42,883.97 and 16,928.01

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.39 : 42,883.97 = 16,928.01 : x
2. Step 2: Convert to fraction form
   31,074.39/42,883.97 = 16,928.01/x
3. Step 3: Cross multiply
   31,074.39x = 42,883.97 × 16,928.01
4. Step 4: Simplify right side
   31,074.39x = 725,940,273.00
5. Step 5: Solve for x
   x = 725,940,273.00/31,074.39
6. Step 6: Final answer
   x = 23,361.37