Finding the Fourth Proportional to 2,200.08, 3,036.04 and 1,315.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.08 : 3,036.04 = 1,315.43 : x
2. Step 2: Convert to fraction form
   2,200.08/3,036.04 = 1,315.43/x
3. Step 3: Cross multiply
   2,200.08x = 3,036.04 × 1,315.43
4. Step 4: Simplify right side
   2,200.08x = 3,993,679.63
5. Step 5: Solve for x
   x = 3,993,679.63/2,200.08
6. Step 6: Final answer
   x = 1,815.24