Finding the Fourth Proportional to 2,031.91, 3,046.04 and 1,055.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.91 : 3,046.04 = 1,055.05 : x
2. Step 2: Convert to fraction form
   2,031.91/3,046.04 = 1,055.05/x
3. Step 3: Cross multiply
   2,031.91x = 3,046.04 × 1,055.05
4. Step 4: Simplify right side
   2,031.91x = 3,213,724.50
5. Step 5: Solve for x
   x = 3,213,724.50/2,031.91
6. Step 6: Final answer
   x = 1,581.63