Finding the Fourth Proportional to 3,636.48, 5,015.94 and 2,500.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636.48 : 5,015.94 = 2,500.61 : x
2. Step 2: Convert to fraction form
   3,636.48/5,015.94 = 2,500.61/x
3. Step 3: Cross multiply
   3,636.48x = 5,015.94 × 2,500.61
4. Step 4: Simplify right side
   3,636.48x = 12,542,875.27
5. Step 5: Solve for x
   x = 12,542,875.27/3,636.48
6. Step 6: Final answer
   x = 3,449.18