Finding the Fourth Proportional to 2,333.16, 3,216.78 and 1,911.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.16 : 3,216.78 = 1,911.96 : x
2. Step 2: Convert to fraction form
   2,333.16/3,216.78 = 1,911.96/x
3. Step 3: Cross multiply
   2,333.16x = 3,216.78 × 1,911.96
4. Step 4: Simplify right side
   2,333.16x = 6,150,354.69
5. Step 5: Solve for x
   x = 6,150,354.69/2,333.16
6. Step 6: Final answer
   x = 2,636.06