Finding the Fourth Proportional to 3,667.64, 5,061.72 and 2,409.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.64 : 5,061.72 = 2,409.72 : x
2. Step 2: Convert to fraction form
   3,667.64/5,061.72 = 2,409.72/x
3. Step 3: Cross multiply
   3,667.64x = 5,061.72 × 2,409.72
4. Step 4: Simplify right side
   3,667.64x = 12,197,327.92
5. Step 5: Solve for x
   x = 12,197,327.92/3,667.64
6. Step 6: Final answer
   x = 3,325.66