Finding the Fourth Proportional to 2,182.50, 3,007.62 and 1,395.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.50 : 3,007.62 = 1,395.18 : x
2. Step 2: Convert to fraction form
   2,182.50/3,007.62 = 1,395.18/x
3. Step 3: Cross multiply
   2,182.50x = 3,007.62 × 1,395.18
4. Step 4: Simplify right side
   2,182.50x = 4,196,171.27
5. Step 5: Solve for x
   x = 4,196,171.27/2,182.50
6. Step 6: Final answer
   x = 1,922.64