Finding the Fourth Proportional to 4,979.71, 7,470.54 and 1,647.82

Step by Step Solution

1. Step 1: Write the proportion equation
   4,979.71 : 7,470.54 = 1,647.82 : x
2. Step 2: Convert to fraction form
   4,979.71/7,470.54 = 1,647.82/x
3. Step 3: Cross multiply
   4,979.71x = 7,470.54 × 1,647.82
4. Step 4: Simplify right side
   4,979.71x = 12,310,105.22
5. Step 5: Solve for x
   x = 12,310,105.22/4,979.71
6. Step 6: Final answer
   x = 2,472.05