Finding the Fourth Proportional to 31,618.23, 43,629.89 and 17,469.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,618.23 : 43,629.89 = 17,469.15 : x
2. Step 2: Convert to fraction form
   31,618.23/43,629.89 = 17,469.15/x
3. Step 3: Cross multiply
   31,618.23x = 43,629.89 × 17,469.15
4. Step 4: Simplify right side
   31,618.23x = 762,177,005.55
5. Step 5: Solve for x
   x = 762,177,005.55/31,618.23
6. Step 6: Final answer
   x = 24,105.62