Finding the Fourth Proportional to 2,079.55, 2,869.73 and 1,135.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.55 : 2,869.73 = 1,135.30 : x
2. Step 2: Convert to fraction form
   2,079.55/2,869.73 = 1,135.30/x
3. Step 3: Cross multiply
   2,079.55x = 2,869.73 × 1,135.30
4. Step 4: Simplify right side
   2,079.55x = 3,258,005.57
5. Step 5: Solve for x
   x = 3,258,005.57/2,079.55
6. Step 6: Final answer
   x = 1,566.69