Finding the Fourth Proportional to 31,017.54, 42,794.55 and 17,587.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,017.54 : 42,794.55 = 17,587.74 : x
2. Step 2: Convert to fraction form
   31,017.54/42,794.55 = 17,587.74/x
3. Step 3: Cross multiply
   31,017.54x = 42,794.55 × 17,587.74
4. Step 4: Simplify right side
   31,017.54x = 752,659,418.82
5. Step 5: Solve for x
   x = 752,659,418.82/31,017.54
6. Step 6: Final answer
   x = 24,265.61