Finding the Fourth Proportional to 23,389.27, 32,276.81 and 12,778.67

Step by Step Solution

1. Step 1: Write the proportion equation
   23,389.27 : 32,276.81 = 12,778.67 : x
2. Step 2: Convert to fraction form
   23,389.27/32,276.81 = 12,778.67/x
3. Step 3: Cross multiply
   23,389.27x = 32,276.81 × 12,778.67
4. Step 4: Simplify right side
   23,389.27x = 412,454,816.28
5. Step 5: Solve for x
   x = 412,454,816.28/23,389.27
6. Step 6: Final answer
   x = 17,634.36