Finding the Fourth Proportional to 2,039.52, 3,057.36 and 1,064.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.52 : 3,057.36 = 1,064.48 : x
2. Step 2: Convert to fraction form
   2,039.52/3,057.36 = 1,064.48/x
3. Step 3: Cross multiply
   2,039.52x = 3,057.36 × 1,064.48
4. Step 4: Simplify right side
   2,039.52x = 3,254,498.57
5. Step 5: Solve for x
   x = 3,254,498.57/2,039.52
6. Step 6: Final answer
   x = 1,595.72