Finding the Fourth Proportional to 31,609.96, 43,621.37 and 17,269.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,609.96 : 43,621.37 = 17,269.72 : x
2. Step 2: Convert to fraction form
   31,609.96/43,621.37 = 17,269.72/x
3. Step 3: Cross multiply
   31,609.96x = 43,621.37 × 17,269.72
4. Step 4: Simplify right side
   31,609.96x = 753,328,845.92
5. Step 5: Solve for x
   x = 753,328,845.92/31,609.96
6. Step 6: Final answer
   x = 23,832.01