Finding the Fourth Proportional to 2,062.72, 3,091.90 and 966.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,062.72 : 3,091.90 = 966.18 : x
2. Step 2: Convert to fraction form
   2,062.72/3,091.90 = 966.18/x
3. Step 3: Cross multiply
   2,062.72x = 3,091.90 × 966.18
4. Step 4: Simplify right side
   2,062.72x = 2,987,331.94
5. Step 5: Solve for x
   x = 2,987,331.94/2,062.72
6. Step 6: Final answer
   x = 1,448.25