Finding the Fourth Proportional to 2,087.55, 2,879.91 and 1,300.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.55 : 2,879.91 = 1,300.23 : x
2. Step 2: Convert to fraction form
   2,087.55/2,879.91 = 1,300.23/x
3. Step 3: Cross multiply
   2,087.55x = 2,879.91 × 1,300.23
4. Step 4: Simplify right side
   2,087.55x = 3,744,545.38
5. Step 5: Solve for x
   x = 3,744,545.38/2,087.55
6. Step 6: Final answer
   x = 1,793.75