Finding the Fourth Proportional to 3,256.50, 4,885.55 and 1,065.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,256.50 : 4,885.55 = 1,065.25 : x
2. Step 2: Convert to fraction form
   3,256.50/4,885.55 = 1,065.25/x
3. Step 3: Cross multiply
   3,256.50x = 4,885.55 × 1,065.25
4. Step 4: Simplify right side
   3,256.50x = 5,204,336.91
5. Step 5: Solve for x
   x = 5,204,336.91/3,256.50
6. Step 6: Final answer
   x = 1,598.14