Finding the Fourth Proportional to 2,074.85, 2,863.58 and 1,191

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.85 : 2,863.58 = 1,191 : x
2. Step 2: Convert to fraction form
   2,074.85/2,863.58 = 1,191/x
3. Step 3: Cross multiply
   2,074.85x = 2,863.58 × 1,191
4. Step 4: Simplify right side
   2,074.85x = 3,410,517.83
5. Step 5: Solve for x
   x = 3,410,517.83/2,074.85
6. Step 6: Final answer
   x = 1,643.75