Finding the Fourth Proportional to 2,311.55, 3,467.83 and 667.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.55 : 3,467.83 = 667.96 : x
2. Step 2: Convert to fraction form
   2,311.55/3,467.83 = 667.96/x
3. Step 3: Cross multiply
   2,311.55x = 3,467.83 × 667.96
4. Step 4: Simplify right side
   2,311.55x = 2,316,370.06
5. Step 5: Solve for x
   x = 2,316,370.06/2,311.55
6. Step 6: Final answer
   x = 1,002.08