Finding the Fourth Proportional to 3,687.57, 5,086.67 and 2,360.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687.57 : 5,086.67 = 2,360.79 : x
2. Step 2: Convert to fraction form
   3,687.57/5,086.67 = 2,360.79/x
3. Step 3: Cross multiply
   3,687.57x = 5,086.67 × 2,360.79
4. Step 4: Simplify right side
   3,687.57x = 12,008,547.87
5. Step 5: Solve for x
   x = 12,008,547.87/3,687.57
6. Step 6: Final answer
   x = 3,256.49