Finding the Fourth Proportional to 2,189.06, 3,284.64 and 1,093.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.06 : 3,284.64 = 1,093.58 : x
2. Step 2: Convert to fraction form
   2,189.06/3,284.64 = 1,093.58/x
3. Step 3: Cross multiply
   2,189.06x = 3,284.64 × 1,093.58
4. Step 4: Simplify right side
   2,189.06x = 3,592,016.61
5. Step 5: Solve for x
   x = 3,592,016.61/2,189.06
6. Step 6: Final answer
   x = 1,640.89