Finding the Fourth Proportional to 2,288.62, 3,155.98 and 1,867.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.62 : 3,155.98 = 1,867.62 : x
2. Step 2: Convert to fraction form
   2,288.62/3,155.98 = 1,867.62/x
3. Step 3: Cross multiply
   2,288.62x = 3,155.98 × 1,867.62
4. Step 4: Simplify right side
   2,288.62x = 5,894,171.37
5. Step 5: Solve for x
   x = 5,894,171.37/2,288.62
6. Step 6: Final answer
   x = 2,575.43