Finding the Fourth Proportional to 2,311.83, 3,470.21 and 996.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.83 : 3,470.21 = 996.23 : x
2. Step 2: Convert to fraction form
   2,311.83/3,470.21 = 996.23/x
3. Step 3: Cross multiply
   2,311.83x = 3,470.21 × 996.23
4. Step 4: Simplify right side
   2,311.83x = 3,457,127.31
5. Step 5: Solve for x
   x = 3,457,127.31/2,311.83
6. Step 6: Final answer
   x = 1,495.41