Finding the Fourth Proportional to 3,667.68, 5,054.40 and 2,617.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.68 : 5,054.40 = 2,617.92 : x
2. Step 2: Convert to fraction form
   3,667.68/5,054.40 = 2,617.92/x
3. Step 3: Cross multiply
   3,667.68x = 5,054.40 × 2,617.92
4. Step 4: Simplify right side
   3,667.68x = 13,232,014.85
5. Step 5: Solve for x
   x = 13,232,014.85/3,667.68
6. Step 6: Final answer
   x = 3,607.73