Finding the Fourth Proportional to 31,919.31, 44,048.23 and 17,578.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,919.31 : 44,048.23 = 17,578.87 : x
2. Step 2: Convert to fraction form
   31,919.31/44,048.23 = 17,578.87/x
3. Step 3: Cross multiply
   31,919.31x = 44,048.23 × 17,578.87
4. Step 4: Simplify right side
   31,919.31x = 774,317,954.83
5. Step 5: Solve for x
   x = 774,317,954.83/31,919.31
6. Step 6: Final answer
   x = 24,258.61