Finding the Fourth Proportional to 31,046.22, 42,842.60 and 17,616.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,046.22 : 42,842.60 = 17,616.68 : x
2. Step 2: Convert to fraction form
   31,046.22/42,842.60 = 17,616.68/x
3. Step 3: Cross multiply
   31,046.22x = 42,842.60 × 17,616.68
4. Step 4: Simplify right side
   31,046.22x = 754,744,072.27
5. Step 5: Solve for x
   x = 754,744,072.27/31,046.22
6. Step 6: Final answer
   x = 24,310.34