Finding the Fourth Proportional to 2,908.83, 4,362.59 and 828.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,908.83 : 4,362.59 = 828.79 : x
2. Step 2: Convert to fraction form
   2,908.83/4,362.59 = 828.79/x
3. Step 3: Cross multiply
   2,908.83x = 4,362.59 × 828.79
4. Step 4: Simplify right side
   2,908.83x = 3,615,670.97
5. Step 5: Solve for x
   x = 3,615,670.97/2,908.83
6. Step 6: Final answer
   x = 1,243.00