Finding the Fourth Proportional to 3,667.92, 5,060.20 and 2,487.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.92 : 5,060.20 = 2,487.12 : x
2. Step 2: Convert to fraction form
   3,667.92/5,060.20 = 2,487.12/x
3. Step 3: Cross multiply
   3,667.92x = 5,060.20 × 2,487.12
4. Step 4: Simplify right side
   3,667.92x = 12,585,324.62
5. Step 5: Solve for x
   x = 12,585,324.62/3,667.92
6. Step 6: Final answer
   x = 3,431.19