Finding the Fourth Proportional to 2,086.44, 2,877.86 and 1,300.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.44 : 2,877.86 = 1,300.20 : x
2. Step 2: Convert to fraction form
   2,086.44/2,877.86 = 1,300.20/x
3. Step 3: Cross multiply
   2,086.44x = 2,877.86 × 1,300.20
4. Step 4: Simplify right side
   2,086.44x = 3,741,793.57
5. Step 5: Solve for x
   x = 3,741,793.57/2,086.44
6. Step 6: Final answer
   x = 1,793.39