Finding the Fourth Proportional to 2,067.52, 3,124.72 and 2,031.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.52 : 3,124.72 = 2,031.68 : x
2. Step 2: Convert to fraction form
   2,067.52/3,124.72 = 2,031.68/x
3. Step 3: Cross multiply
   2,067.52x = 3,124.72 × 2,031.68
4. Step 4: Simplify right side
   2,067.52x = 6,348,431.13
5. Step 5: Solve for x
   x = 6,348,431.13/2,067.52
6. Step 6: Final answer
   x = 3,070.55