Finding the Fourth Proportional to 31,074.77, 42,883.46 and 17,646.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.77 : 42,883.46 = 17,646.30 : x
2. Step 2: Convert to fraction form
   31,074.77/42,883.46 = 17,646.30/x
3. Step 3: Cross multiply
   31,074.77x = 42,883.46 × 17,646.30
4. Step 4: Simplify right side
   31,074.77x = 756,734,311.97
5. Step 5: Solve for x
   x = 756,734,311.97/31,074.77
6. Step 6: Final answer
   x = 24,352.05