Finding the Fourth Proportional to 2,660.56, 3,667.92 and 2,242.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.56 : 3,667.92 = 2,242.60 : x
2. Step 2: Convert to fraction form
   2,660.56/3,667.92 = 2,242.60/x
3. Step 3: Cross multiply
   2,660.56x = 3,667.92 × 2,242.60
4. Step 4: Simplify right side
   2,660.56x = 8,225,677.39
5. Step 5: Solve for x
   x = 8,225,677.39/2,660.56
6. Step 6: Final answer
   x = 3,091.71