Finding the Fourth Proportional to 3,667.64, 5,056.09 and 2,617.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.64 : 5,056.09 = 2,617.88 : x
2. Step 2: Convert to fraction form
   3,667.64/5,056.09 = 2,617.88/x
3. Step 3: Cross multiply
   3,667.64x = 5,056.09 × 2,617.88
4. Step 4: Simplify right side
   3,667.64x = 13,236,205.06
5. Step 5: Solve for x
   x = 13,236,205.06/3,667.64
6. Step 6: Final answer
   x = 3,608.92