Finding the Fourth Proportional to 2,979.10, 4,469.46 and 1,313.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.10 : 4,469.46 = 1,313.38 : x
2. Step 2: Convert to fraction form
   2,979.10/4,469.46 = 1,313.38/x
3. Step 3: Cross multiply
   2,979.10x = 4,469.46 × 1,313.38
4. Step 4: Simplify right side
   2,979.10x = 5,870,099.37
5. Step 5: Solve for x
   x = 5,870,099.37/2,979.10
6. Step 6: Final answer
   x = 1,970.43