Finding the Fourth Proportional to 2,410.08, 3,615.27 and 828.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,410.08 : 3,615.27 = 828.89 : x
2. Step 2: Convert to fraction form
   2,410.08/3,615.27 = 828.89/x
3. Step 3: Cross multiply
   2,410.08x = 3,615.27 × 828.89
4. Step 4: Simplify right side
   2,410.08x = 2,996,653.52
5. Step 5: Solve for x
   x = 2,996,653.52/2,410.08
6. Step 6: Final answer
   x = 1,243.39