Finding the Fourth Proportional to 8,388.86, 12,581.67 and 3,193.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,388.86 : 12,581.67 = 3,193.52 : x
2. Step 2: Convert to fraction form
   8,388.86/12,581.67 = 3,193.52/x
3. Step 3: Cross multiply
   8,388.86x = 12,581.67 × 3,193.52
4. Step 4: Simplify right side
   8,388.86x = 40,179,814.78
5. Step 5: Solve for x
   x = 40,179,814.78/8,388.86
6. Step 6: Final answer
   x = 4,789.66