Finding the Fourth Proportional to 31,499.78, 43,469.69 and 17,352.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,499.78 : 43,469.69 = 17,352.62 : x
2. Step 2: Convert to fraction form
   31,499.78/43,469.69 = 17,352.62/x
3. Step 3: Cross multiply
   31,499.78x = 43,469.69 × 17,352.62
4. Step 4: Simplify right side
   31,499.78x = 754,313,012.09
5. Step 5: Solve for x
   x = 754,313,012.09/31,499.78
6. Step 6: Final answer
   x = 23,946.61