Finding the Fourth Proportional to 31,825.52, 43,919.20 and 17,679.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,825.52 : 43,919.20 = 17,679.68 : x
2. Step 2: Convert to fraction form
   31,825.52/43,919.20 = 17,679.68/x
3. Step 3: Cross multiply
   31,825.52x = 43,919.20 × 17,679.68
4. Step 4: Simplify right side
   31,825.52x = 776,477,401.86
5. Step 5: Solve for x
   x = 776,477,401.86/31,825.52
6. Step 6: Final answer
   x = 24,397.95