Finding the Fourth Proportional to 2,031.53, 3,046.67 and 1,057.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.53 : 3,046.67 = 1,057.10 : x
2. Step 2: Convert to fraction form
   2,031.53/3,046.67 = 1,057.10/x
3. Step 3: Cross multiply
   2,031.53x = 3,046.67 × 1,057.10
4. Step 4: Simplify right side
   2,031.53x = 3,220,634.86
5. Step 5: Solve for x
   x = 3,220,634.86/2,031.53
6. Step 6: Final answer
   x = 1,585.32