Finding the Fourth Proportional to 2,189.15, 3,280.99 and 1,093.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189.15 : 3,280.99 = 1,093.82 : x
2. Step 2: Convert to fraction form
   2,189.15/3,280.99 = 1,093.82/x
3. Step 3: Cross multiply
   2,189.15x = 3,280.99 × 1,093.82
4. Step 4: Simplify right side
   2,189.15x = 3,588,807.01
5. Step 5: Solve for x
   x = 3,588,807.01/2,189.15
6. Step 6: Final answer
   x = 1,639.36