Finding the Fourth Proportional to 2,076.47, 3,111.63 and 966.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.47 : 3,111.63 = 966.20 : x
2. Step 2: Convert to fraction form
   2,076.47/3,111.63 = 966.20/x
3. Step 3: Cross multiply
   2,076.47x = 3,111.63 × 966.20
4. Step 4: Simplify right side
   2,076.47x = 3,006,441.35
5. Step 5: Solve for x
   x = 3,006,441.35/2,076.47
6. Step 6: Final answer
   x = 1,447.87