Finding the Fourth Proportional to 2,074.91, 2,863.34 and 1,191.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.91 : 2,863.34 = 1,191.02 : x
2. Step 2: Convert to fraction form
   2,074.91/2,863.34 = 1,191.02/x
3. Step 3: Cross multiply
   2,074.91x = 2,863.34 × 1,191.02
4. Step 4: Simplify right side
   2,074.91x = 3,410,274.94
5. Step 5: Solve for x
   x = 3,410,274.94/2,074.91
6. Step 6: Final answer
   x = 1,643.58