Finding the Fourth Proportional to 30,609.96, 42,241.71 and 17,181.23

Step by Step Solution

1. Step 1: Write the proportion equation
   30,609.96 : 42,241.71 = 17,181.23 : x
2. Step 2: Convert to fraction form
   30,609.96/42,241.71 = 17,181.23/x
3. Step 3: Cross multiply
   30,609.96x = 42,241.71 × 17,181.23
4. Step 4: Simplify right side
   30,609.96x = 725,764,535.10
5. Step 5: Solve for x
   x = 725,764,535.10/30,609.96
6. Step 6: Final answer
   x = 23,710.08