Finding the Fourth Proportional to 2,470.76, 3,705.79 and 827.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.76 : 3,705.79 = 827.27 : x
2. Step 2: Convert to fraction form
   2,470.76/3,705.79 = 827.27/x
3. Step 3: Cross multiply
   2,470.76x = 3,705.79 × 827.27
4. Step 4: Simplify right side
   2,470.76x = 3,065,688.89
5. Step 5: Solve for x
   x = 3,065,688.89/2,470.76
6. Step 6: Final answer
   x = 1,240.79