Finding the Fourth Proportional to 2,979.11, 4,111.46 and 1,800.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.11 : 4,111.46 = 1,800.16 : x
2. Step 2: Convert to fraction form
   2,979.11/4,111.46 = 1,800.16/x
3. Step 3: Cross multiply
   2,979.11x = 4,111.46 × 1,800.16
4. Step 4: Simplify right side
   2,979.11x = 7,401,285.83
5. Step 5: Solve for x
   x = 7,401,285.83/2,979.11
6. Step 6: Final answer
   x = 2,484.39