Finding the Fourth Proportional to 30,725.60, 42,401.42 and 17,297.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,725.60 : 42,401.42 = 17,297.06 : x
2. Step 2: Convert to fraction form
   30,725.60/42,401.42 = 17,297.06/x
3. Step 3: Cross multiply
   30,725.60x = 42,401.42 × 17,297.06
4. Step 4: Simplify right side
   30,725.60x = 733,419,905.83
5. Step 5: Solve for x
   x = 733,419,905.83/30,725.60
6. Step 6: Final answer
   x = 23,869.99