Finding the Fourth Proportional to 2,076.22, 2,864.98 and 1,191.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.22 : 2,864.98 = 1,191.85 : x
2. Step 2: Convert to fraction form
   2,076.22/2,864.98 = 1,191.85/x
3. Step 3: Cross multiply
   2,076.22x = 2,864.98 × 1,191.85
4. Step 4: Simplify right side
   2,076.22x = 3,414,626.41
5. Step 5: Solve for x
   x = 3,414,626.41/2,076.22
6. Step 6: Final answer
   x = 1,644.64