Finding the Fourth Proportional to 2,031.48, 2,800.92 and 1,678.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.48 : 2,800.92 = 1,678.83 : x
2. Step 2: Convert to fraction form
   2,031.48/2,800.92 = 1,678.83/x
3. Step 3: Cross multiply
   2,031.48x = 2,800.92 × 1,678.83
4. Step 4: Simplify right side
   2,031.48x = 4,702,268.52
5. Step 5: Solve for x
   x = 4,702,268.52/2,031.48
6. Step 6: Final answer
   x = 2,314.70