Finding the Fourth Proportional to 3,715.82, 5,127.86 and 2,536.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715.82 : 5,127.86 = 2,536.86 : x
2. Step 2: Convert to fraction form
   3,715.82/5,127.86 = 2,536.86/x
3. Step 3: Cross multiply
   3,715.82x = 5,127.86 × 2,536.86
4. Step 4: Simplify right side
   3,715.82x = 13,008,662.92
5. Step 5: Solve for x
   x = 13,008,662.92/3,715.82
6. Step 6: Final answer
   x = 3,500.89