Finding the Fourth Proportional to 31,043.07, 42,839.37 and 16,895.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,043.07 : 42,839.37 = 16,895.88 : x
2. Step 2: Convert to fraction form
   31,043.07/42,839.37 = 16,895.88/x
3. Step 3: Cross multiply
   31,043.07x = 42,839.37 × 16,895.88
4. Step 4: Simplify right side
   31,043.07x = 723,808,854.80
5. Step 5: Solve for x
   x = 723,808,854.80/31,043.07
6. Step 6: Final answer
   x = 23,316.28