Finding the Fourth Proportional to 2,735.69, 4,103.12 and 886.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,735.69 : 4,103.12 = 886.96 : x
2. Step 2: Convert to fraction form
   2,735.69/4,103.12 = 886.96/x
3. Step 3: Cross multiply
   2,735.69x = 4,103.12 × 886.96
4. Step 4: Simplify right side
   2,735.69x = 3,639,288.62
5. Step 5: Solve for x
   x = 3,639,288.62/2,735.69
6. Step 6: Final answer
   x = 1,330.30