Finding the Fourth Proportional to 2,667.76, 4,000.96 and 1,108.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.76 : 4,000.96 = 1,108.22 : x
2. Step 2: Convert to fraction form
   2,667.76/4,000.96 = 1,108.22/x
3. Step 3: Cross multiply
   2,667.76x = 4,000.96 × 1,108.22
4. Step 4: Simplify right side
   2,667.76x = 4,433,943.89
5. Step 5: Solve for x
   x = 4,433,943.89/2,667.76
6. Step 6: Final answer
   x = 1,662.05