Finding the Fourth Proportional to 2,087.37, 2,879.67 and 1,300.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.37 : 2,879.67 = 1,300.05 : x
2. Step 2: Convert to fraction form
   2,087.37/2,879.67 = 1,300.05/x
3. Step 3: Cross multiply
   2,087.37x = 2,879.67 × 1,300.05
4. Step 4: Simplify right side
   2,087.37x = 3,743,714.98
5. Step 5: Solve for x
   x = 3,743,714.98/2,087.37
6. Step 6: Final answer
   x = 1,793.51