Finding the Fourth Proportional to 1,361.46, 2,041.91 and 667.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.46 : 2,041.91 = 667.83 : x
2. Step 2: Convert to fraction form
   1,361.46/2,041.91 = 667.83/x
3. Step 3: Cross multiply
   1,361.46x = 2,041.91 × 667.83
4. Step 4: Simplify right side
   1,361.46x = 1,363,638.55
5. Step 5: Solve for x
   x = 1,363,638.55/1,361.46
6. Step 6: Final answer
   x = 1,001.60