Finding the Fourth Proportional to 31,617.30, 43,628.14 and 17,469.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,617.30 : 43,628.14 = 17,469.30 : x
2. Step 2: Convert to fraction form
   31,617.30/43,628.14 = 17,469.30/x
3. Step 3: Cross multiply
   31,617.30x = 43,628.14 × 17,469.30
4. Step 4: Simplify right side
   31,617.30x = 762,153,066.10
5. Step 5: Solve for x
   x = 762,153,066.10/31,617.30
6. Step 6: Final answer
   x = 24,105.57