Finding the Fourth Proportional to 3,307.39, 4,957.59 and 1,085.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,307.39 : 4,957.59 = 1,085.64 : x
2. Step 2: Convert to fraction form
   3,307.39/4,957.59 = 1,085.64/x
3. Step 3: Cross multiply
   3,307.39x = 4,957.59 × 1,085.64
4. Step 4: Simplify right side
   3,307.39x = 5,382,171.37
5. Step 5: Solve for x
   x = 5,382,171.37/3,307.39
6. Step 6: Final answer
   x = 1,627.32