Finding the Fourth Proportional to 2,031.15, 3,046.27 and 1,328.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.15 : 3,046.27 = 1,328.14 : x
2. Step 2: Convert to fraction form
   2,031.15/3,046.27 = 1,328.14/x
3. Step 3: Cross multiply
   2,031.15x = 3,046.27 × 1,328.14
4. Step 4: Simplify right side
   2,031.15x = 4,045,873.04
5. Step 5: Solve for x
   x = 4,045,873.04/2,031.15
6. Step 6: Final answer
   x = 1,991.91