Finding the Fourth Proportional to 2,200.41, 3,036.28 and 1,315.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.41 : 3,036.28 = 1,315.89 : x
2. Step 2: Convert to fraction form
   2,200.41/3,036.28 = 1,315.89/x
3. Step 3: Cross multiply
   2,200.41x = 3,036.28 × 1,315.89
4. Step 4: Simplify right side
   2,200.41x = 3,995,418.08
5. Step 5: Solve for x
   x = 3,995,418.08/2,200.41
6. Step 6: Final answer
   x = 1,815.76