Finding the Fourth Proportional to 31,067.02, 42,874.01 and 17,638.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,067.02 : 42,874.01 = 17,638.03 : x
2. Step 2: Convert to fraction form
   31,067.02/42,874.01 = 17,638.03/x
3. Step 3: Cross multiply
   31,067.02x = 42,874.01 × 17,638.03
4. Step 4: Simplify right side
   31,067.02x = 756,213,074.60
5. Step 5: Solve for x
   x = 756,213,074.60/31,067.02
6. Step 6: Final answer
   x = 24,341.35