Finding the Fourth Proportional to 8,068.60, 12,104.12 and 2,520.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,068.60 : 12,104.12 = 2,520.74 : x
2. Step 2: Convert to fraction form
   8,068.60/12,104.12 = 2,520.74/x
3. Step 3: Cross multiply
   8,068.60x = 12,104.12 × 2,520.74
4. Step 4: Simplify right side
   8,068.60x = 30,511,339.45
5. Step 5: Solve for x
   x = 30,511,339.45/8,068.60
6. Step 6: Final answer
   x = 3,781.49