Finding the Fourth Proportional to 23,388.86, 32,276.75 and 12,778.67

Step by Step Solution

1. Step 1: Write the proportion equation
   23,388.86 : 32,276.75 = 12,778.67 : x
2. Step 2: Convert to fraction form
   23,388.86/32,276.75 = 12,778.67/x
3. Step 3: Cross multiply
   23,388.86x = 32,276.75 × 12,778.67
4. Step 4: Simplify right side
   23,388.86x = 412,453,953.72
5. Step 5: Solve for x
   x = 412,453,953.72/23,388.86
6. Step 6: Final answer
   x = 17,634.63