Finding the Fourth Proportional to 31,488, 43,452.42 and 17,340.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488 : 43,452.42 = 17,340.48 : x
2. Step 2: Convert to fraction form
   31,488/43,452.42 = 17,340.48/x
3. Step 3: Cross multiply
   31,488x = 43,452.42 × 17,340.48
4. Step 4: Simplify right side
   31,488x = 753,485,819.96
5. Step 5: Solve for x
   x = 753,485,819.96/31,488
6. Step 6: Final answer
   x = 23,929.30