Finding the Fourth Proportional to 31,109.82, 42,930.63 and 17,682.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,109.82 : 42,930.63 = 17,682.54 : x
2. Step 2: Convert to fraction form
   31,109.82/42,930.63 = 17,682.54/x
3. Step 3: Cross multiply
   31,109.82x = 42,930.63 × 17,682.54
4. Step 4: Simplify right side
   31,109.82x = 759,122,582.20
5. Step 5: Solve for x
   x = 759,122,582.20/31,109.82
6. Step 6: Final answer
   x = 24,401.38