Finding the Fourth Proportional to 2,074.98, 2,862.86 and 1,190.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.98 : 2,862.86 = 1,190.72 : x
2. Step 2: Convert to fraction form
   2,074.98/2,862.86 = 1,190.72/x
3. Step 3: Cross multiply
   2,074.98x = 2,862.86 × 1,190.72
4. Step 4: Simplify right side
   2,074.98x = 3,408,864.66
5. Step 5: Solve for x
   x = 3,408,864.66/2,074.98
6. Step 6: Final answer
   x = 1,642.84