Finding the Fourth Proportional to 2,199.56, 3,298.73 and 1,103.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.56 : 3,298.73 = 1,103.42 : x
2. Step 2: Convert to fraction form
   2,199.56/3,298.73 = 1,103.42/x
3. Step 3: Cross multiply
   2,199.56x = 3,298.73 × 1,103.42
4. Step 4: Simplify right side
   2,199.56x = 3,639,887.39
5. Step 5: Solve for x
   x = 3,639,887.39/2,199.56
6. Step 6: Final answer
   x = 1,654.83