Finding the Fourth Proportional to 2,079.74, 2,870.21 and 1,183.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.74 : 2,870.21 = 1,183.76 : x
2. Step 2: Convert to fraction form
   2,079.74/2,870.21 = 1,183.76/x
3. Step 3: Cross multiply
   2,079.74x = 2,870.21 × 1,183.76
4. Step 4: Simplify right side
   2,079.74x = 3,397,619.52
5. Step 5: Solve for x
   x = 3,397,619.52/2,079.74
6. Step 6: Final answer
   x = 1,633.68