Finding the Fourth Proportional to 31,074.58, 42,882.24 and 17,645.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.58 : 42,882.24 = 17,645.59 : x
2. Step 2: Convert to fraction form
   31,074.58/42,882.24 = 17,645.59/x
3. Step 3: Cross multiply
   31,074.58x = 42,882.24 × 17,645.59
4. Step 4: Simplify right side
   31,074.58x = 756,682,425.32
5. Step 5: Solve for x
   x = 756,682,425.32/31,074.58
6. Step 6: Final answer
   x = 24,350.53