Finding the Fourth Proportional to 2,843.31, 4,265.42 and 1,200.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,843.31 : 4,265.42 = 1,200.10 : x
2. Step 2: Convert to fraction form
   2,843.31/4,265.42 = 1,200.10/x
3. Step 3: Cross multiply
   2,843.31x = 4,265.42 × 1,200.10
4. Step 4: Simplify right side
   2,843.31x = 5,118,911.57
5. Step 5: Solve for x
   x = 5,118,911.57/2,843.31
6. Step 6: Final answer
   x = 1,800.34