Finding the Fourth Proportional to 2,076.90, 2,866.35 and 1,180.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.90 : 2,866.35 = 1,180.83 : x
2. Step 2: Convert to fraction form
   2,076.90/2,866.35 = 1,180.83/x
3. Step 3: Cross multiply
   2,076.90x = 2,866.35 × 1,180.83
4. Step 4: Simplify right side
   2,076.90x = 3,384,672.07
5. Step 5: Solve for x
   x = 3,384,672.07/2,076.90
6. Step 6: Final answer
   x = 1,629.68