Finding the Fourth Proportional to 31,074.52, 42,884.36 and 17,645.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.52 : 42,884.36 = 17,645.52 : x
2. Step 2: Convert to fraction form
   31,074.52/42,884.36 = 17,645.52/x
3. Step 3: Cross multiply
   31,074.52x = 42,884.36 × 17,645.52
4. Step 4: Simplify right side
   31,074.52x = 756,716,832.07
5. Step 5: Solve for x
   x = 756,716,832.07/31,074.52
6. Step 6: Final answer
   x = 24,351.68