Finding the Fourth Proportional to 31,080.54, 42,891.18 and 16,933.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,080.54 : 42,891.18 = 16,933.38 : x
2. Step 2: Convert to fraction form
   31,080.54/42,891.18 = 16,933.38/x
3. Step 3: Cross multiply
   31,080.54x = 42,891.18 × 16,933.38
4. Step 4: Simplify right side
   31,080.54x = 726,292,649.59
5. Step 5: Solve for x
   x = 726,292,649.59/31,080.54
6. Step 6: Final answer
   x = 23,368.08