Finding the Fourth Proportional to 2,200.15, 3,036.15 and 1,205.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.15 : 3,036.15 = 1,205.47 : x
2. Step 2: Convert to fraction form
   2,200.15/3,036.15 = 1,205.47/x
3. Step 3: Cross multiply
   2,200.15x = 3,036.15 × 1,205.47
4. Step 4: Simplify right side
   2,200.15x = 3,659,987.74
5. Step 5: Solve for x
   x = 3,659,987.74/2,200.15
6. Step 6: Final answer
   x = 1,663.52