Finding the Fourth Proportional to 8,255.34, 12,387.06 and 3,873.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,255.34 : 12,387.06 = 3,873.15 : x
2. Step 2: Convert to fraction form
   8,255.34/12,387.06 = 3,873.15/x
3. Step 3: Cross multiply
   8,255.34x = 12,387.06 × 3,873.15
4. Step 4: Simplify right side
   8,255.34x = 47,976,941.44
5. Step 5: Solve for x
   x = 47,976,941.44/8,255.34
6. Step 6: Final answer
   x = 5,811.63