Finding the Fourth Proportional to 2,736.56, 4,103.37 and 862.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.56 : 4,103.37 = 862.10 : x
2. Step 2: Convert to fraction form
   2,736.56/4,103.37 = 862.10/x
3. Step 3: Cross multiply
   2,736.56x = 4,103.37 × 862.10
4. Step 4: Simplify right side
   2,736.56x = 3,537,519.46
5. Step 5: Solve for x
   x = 3,537,519.46/2,736.56
6. Step 6: Final answer
   x = 1,292.69