Finding the Fourth Proportional to 2,285.99, 3,152.36 and 1,865.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.99 : 3,152.36 = 1,865.00 : x
2. Step 2: Convert to fraction form
   2,285.99/3,152.36 = 1,865.00/x
3. Step 3: Cross multiply
   2,285.99x = 3,152.36 × 1,865.00
4. Step 4: Simplify right side
   2,285.99x = 5,879,140.30
5. Step 5: Solve for x
   x = 5,879,140.30/2,285.99
6. Step 6: Final answer
   x = 2,571.81