Finding the Fourth Proportional to 2,200.16, 3,036.13 and 1,205.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.16 : 3,036.13 = 1,205.42 : x
2. Step 2: Convert to fraction form
   2,200.16/3,036.13 = 1,205.42/x
3. Step 3: Cross multiply
   2,200.16x = 3,036.13 × 1,205.42
4. Step 4: Simplify right side
   2,200.16x = 3,659,793.63
5. Step 5: Solve for x
   x = 3,659,793.63/2,200.16
6. Step 6: Final answer
   x = 1,663.42