Finding the Fourth Proportional to 31,046.54, 42,844.91 and 16,899.39

Step by Step Solution

1. Step 1: Write the proportion equation
   31,046.54 : 42,844.91 = 16,899.39 : x
2. Step 2: Convert to fraction form
   31,046.54/42,844.91 = 16,899.39/x
3. Step 3: Cross multiply
   31,046.54x = 42,844.91 × 16,899.39
4. Step 4: Simplify right side
   31,046.54x = 724,052,759.11
5. Step 5: Solve for x
   x = 724,052,759.11/31,046.54
6. Step 6: Final answer
   x = 23,321.53