Finding the Fourth Proportional to 1,965.72, 2,948.94 and 667.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.72 : 2,948.94 = 667.14 : x
2. Step 2: Convert to fraction form
   1,965.72/2,948.94 = 667.14/x
3. Step 3: Cross multiply
   1,965.72x = 2,948.94 × 667.14
4. Step 4: Simplify right side
   1,965.72x = 1,967,355.83
5. Step 5: Solve for x
   x = 1,967,355.83/1,965.72
6. Step 6: Final answer
   x = 1,000.83