Finding the Fourth Proportional to 2,311.96, 3,182.72 and 2,090.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.96 : 3,182.72 = 2,090.24 : x
2. Step 2: Convert to fraction form
   2,311.96/3,182.72 = 2,090.24/x
3. Step 3: Cross multiply
   2,311.96x = 3,182.72 × 2,090.24
4. Step 4: Simplify right side
   2,311.96x = 6,652,648.65
5. Step 5: Solve for x
   x = 6,652,648.65/2,311.96
6. Step 6: Final answer
   x = 2,877.49