Finding the Fourth Proportional to 3,256.92, 4,886.42 and 1,065.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,256.92 : 4,886.42 = 1,065.15 : x
2. Step 2: Convert to fraction form
   3,256.92/4,886.42 = 1,065.15/x
3. Step 3: Cross multiply
   3,256.92x = 4,886.42 × 1,065.15
4. Step 4: Simplify right side
   3,256.92x = 5,204,764.94
5. Step 5: Solve for x
   x = 5,204,764.94/3,256.92
6. Step 6: Final answer
   x = 1,598.06