Finding the Fourth Proportional to 31,080.58, 42,891.52 and 16,933.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,080.58 : 42,891.52 = 16,933.42 : x
2. Step 2: Convert to fraction form
   31,080.58/42,891.52 = 16,933.42/x
3. Step 3: Cross multiply
   31,080.58x = 42,891.52 × 16,933.42
4. Step 4: Simplify right side
   31,080.58x = 726,300,122.60
5. Step 5: Solve for x
   x = 726,300,122.60/31,080.58
6. Step 6: Final answer
   x = 23,368.29