Finding the Fourth Proportional to 2,311.89, 3,467.46 and 668.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.89 : 3,467.46 = 668.07 : x
2. Step 2: Convert to fraction form
   2,311.89/3,467.46 = 668.07/x
3. Step 3: Cross multiply
   2,311.89x = 3,467.46 × 668.07
4. Step 4: Simplify right side
   2,311.89x = 2,316,506.00
5. Step 5: Solve for x
   x = 2,316,506.00/2,311.89
6. Step 6: Final answer
   x = 1,002.00