Finding the Fourth Proportional to 2,911.86, 4,367.82 and 2,764.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,911.86 : 4,367.82 = 2,764.16 : x
2. Step 2: Convert to fraction form
   2,911.86/4,367.82 = 2,764.16/x
3. Step 3: Cross multiply
   2,911.86x = 4,367.82 × 2,764.16
4. Step 4: Simplify right side
   2,911.86x = 12,073,353.33
5. Step 5: Solve for x
   x = 12,073,353.33/2,911.86
6. Step 6: Final answer
   x = 4,146.27