Finding the Fourth Proportional to 2,030.37, 3,043.84 and 861.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.37 : 3,043.84 = 861.27 : x
2. Step 2: Convert to fraction form
   2,030.37/3,043.84 = 861.27/x
3. Step 3: Cross multiply
   2,030.37x = 3,043.84 × 861.27
4. Step 4: Simplify right side
   2,030.37x = 2,621,568.08
5. Step 5: Solve for x
   x = 2,621,568.08/2,030.37
6. Step 6: Final answer
   x = 1,291.18