Finding the Fourth Proportional to 8,520.69, 12,779.60 and 2,363.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,520.69 : 12,779.60 = 2,363.25 : x
2. Step 2: Convert to fraction form
   8,520.69/12,779.60 = 2,363.25/x
3. Step 3: Cross multiply
   8,520.69x = 12,779.60 × 2,363.25
4. Step 4: Simplify right side
   8,520.69x = 30,201,377.88
5. Step 5: Solve for x
   x = 30,201,377.88/8,520.69
6. Step 6: Final answer
   x = 3,544.48