Finding the Fourth Proportional to 5,074.10, 7,003.61 and 2,979.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074.10 : 7,003.61 = 2,979.62 : x
2. Step 2: Convert to fraction form
   5,074.10/7,003.61 = 2,979.62/x
3. Step 3: Cross multiply
   5,074.10x = 7,003.61 × 2,979.62
4. Step 4: Simplify right side
   5,074.10x = 20,868,046.51
5. Step 5: Solve for x
   x = 20,868,046.51/5,074.10
6. Step 6: Final answer
   x = 4,112.66