Finding the Fourth Proportional to 2,311.04, 3,189.72 and 1,471.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.04 : 3,189.72 = 1,471.58 : x
2. Step 2: Convert to fraction form
   2,311.04/3,189.72 = 1,471.58/x
3. Step 3: Cross multiply
   2,311.04x = 3,189.72 × 1,471.58
4. Step 4: Simplify right side
   2,311.04x = 4,693,912.21
5. Step 5: Solve for x
   x = 4,693,912.21/2,311.04
6. Step 6: Final answer
   x = 2,031.09