Finding the Fourth Proportional to 2,189.96, 3,283.20 and 1,093.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.96 : 3,283.20 = 1,093.76 : x
2. Step 2: Convert to fraction form
   2,189.96/3,283.20 = 1,093.76/x
3. Step 3: Cross multiply
   2,189.96x = 3,283.20 × 1,093.76
4. Step 4: Simplify right side
   2,189.96x = 3,591,016.42
5. Step 5: Solve for x
   x = 3,591,016.42/2,189.96
6. Step 6: Final answer
   x = 1,639.77