Finding the Fourth Proportional to 3,276.88, 4,915.12 and 1,085.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,276.88 : 4,915.12 = 1,085.02 : x
2. Step 2: Convert to fraction form
   3,276.88/4,915.12 = 1,085.02/x
3. Step 3: Cross multiply
   3,276.88x = 4,915.12 × 1,085.02
4. Step 4: Simplify right side
   3,276.88x = 5,333,003.50
5. Step 5: Solve for x
   x = 5,333,003.50/3,276.88
6. Step 6: Final answer
   x = 1,627.46