Finding the Fourth Proportional to 8,365.72, 12,545.58 and 2,520.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,365.72 : 12,545.58 = 2,520.52 : x
2. Step 2: Convert to fraction form
   8,365.72/12,545.58 = 2,520.52/x
3. Step 3: Cross multiply
   8,365.72x = 12,545.58 × 2,520.52
4. Step 4: Simplify right side
   8,365.72x = 31,621,385.30
5. Step 5: Solve for x
   x = 31,621,385.30/8,365.72
6. Step 6: Final answer
   x = 3,779.88