Finding the Fourth Proportional to 30,236.10, 41,709.89 and 17,964.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,236.10 : 41,709.89 = 17,964.50 : x
2. Step 2: Convert to fraction form
   30,236.10/41,709.89 = 17,964.50/x
3. Step 3: Cross multiply
   30,236.10x = 41,709.89 × 17,964.50
4. Step 4: Simplify right side
   30,236.10x = 749,297,020.53
5. Step 5: Solve for x
   x = 749,297,020.53/30,236.10
6. Step 6: Final answer
   x = 24,781.54