Finding the Fourth Proportional to 2,074.71, 2,863.08 and 1,190.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.71 : 2,863.08 = 1,190.55 : x
2. Step 2: Convert to fraction form
   2,074.71/2,863.08 = 1,190.55/x
3. Step 3: Cross multiply
   2,074.71x = 2,863.08 × 1,190.55
4. Step 4: Simplify right side
   2,074.71x = 3,408,639.89
5. Step 5: Solve for x
   x = 3,408,639.89/2,074.71
6. Step 6: Final answer
   x = 1,642.95