Finding the Fourth Proportional to 3,635.82, 5,018.94 and 2,587.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,635.82 : 5,018.94 = 2,587.68 : x
2. Step 2: Convert to fraction form
   3,635.82/5,018.94 = 2,587.68/x
3. Step 3: Cross multiply
   3,635.82x = 5,018.94 × 2,587.68
4. Step 4: Simplify right side
   3,635.82x = 12,987,410.66
5. Step 5: Solve for x
   x = 12,987,410.66/3,635.82
6. Step 6: Final answer
   x = 3,572.07