Finding the Fourth Proportional to 31,033.62, 42,825.12 and 16,886.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,033.62 : 42,825.12 = 16,886.52 : x
2. Step 2: Convert to fraction form
   31,033.62/42,825.12 = 16,886.52/x
3. Step 3: Cross multiply
   31,033.62x = 42,825.12 × 16,886.52
4. Step 4: Simplify right side
   31,033.62x = 723,167,245.38
5. Step 5: Solve for x
   x = 723,167,245.38/31,033.62
6. Step 6: Final answer
   x = 23,302.70