Finding the Fourth Proportional to 23,847.13, 32,906.55 and 13,234.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,847.13 : 32,906.55 = 13,234.78 : x
2. Step 2: Convert to fraction form
   23,847.13/32,906.55 = 13,234.78/x
3. Step 3: Cross multiply
   23,847.13x = 32,906.55 × 13,234.78
4. Step 4: Simplify right side
   23,847.13x = 435,510,949.81
5. Step 5: Solve for x
   x = 435,510,949.81/23,847.13
6. Step 6: Final answer
   x = 18,262.61