Finding the Fourth Proportional to 2,286.37, 3,152.88 and 1,865.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.37 : 3,152.88 = 1,865.37 : x
2. Step 2: Convert to fraction form
   2,286.37/3,152.88 = 1,865.37/x
3. Step 3: Cross multiply
   2,286.37x = 3,152.88 × 1,865.37
4. Step 4: Simplify right side
   2,286.37x = 5,881,299.59
5. Step 5: Solve for x
   x = 5,881,299.59/2,286.37
6. Step 6: Final answer
   x = 2,572.33