Finding the Fourth Proportional to 31,006.62, 42,788.24 and 17,579.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,006.62 : 42,788.24 = 17,579.12 : x
2. Step 2: Convert to fraction form
   31,006.62/42,788.24 = 17,579.12/x
3. Step 3: Cross multiply
   31,006.62x = 42,788.24 × 17,579.12
4. Step 4: Simplify right side
   31,006.62x = 752,179,605.55
5. Step 5: Solve for x
   x = 752,179,605.55/31,006.62
6. Step 6: Final answer
   x = 24,258.68