Finding the Fourth Proportional to 31,033.33, 42,826.42 and 16,886.17

Step by Step Solution

1. Step 1: Write the proportion equation
   31,033.33 : 42,826.42 = 16,886.17 : x
2. Step 2: Convert to fraction form
   31,033.33/42,826.42 = 16,886.17/x
3. Step 3: Cross multiply
   31,033.33x = 42,826.42 × 16,886.17
4. Step 4: Simplify right side
   31,033.33x = 723,174,208.61
5. Step 5: Solve for x
   x = 723,174,208.61/31,033.33
6. Step 6: Final answer
   x = 23,303.15