Finding the Fourth Proportional to 31,007.36, 42,786.60 and 17,575.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,007.36 : 42,786.60 = 17,575.94 : x
2. Step 2: Convert to fraction form
   31,007.36/42,786.60 = 17,575.94/x
3. Step 3: Cross multiply
   31,007.36x = 42,786.60 × 17,575.94
4. Step 4: Simplify right side
   31,007.36x = 752,014,755.46
5. Step 5: Solve for x
   x = 752,014,755.46/31,007.36
6. Step 6: Final answer
   x = 24,252.78