Finding the Fourth Proportional to 2,093.69, 2,889.31 and 1,209.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.69 : 2,889.31 = 1,209.49 : x
2. Step 2: Convert to fraction form
   2,093.69/2,889.31 = 1,209.49/x
3. Step 3: Cross multiply
   2,093.69x = 2,889.31 × 1,209.49
4. Step 4: Simplify right side
   2,093.69x = 3,494,591.55
5. Step 5: Solve for x
   x = 3,494,591.55/2,093.69
6. Step 6: Final answer
   x = 1,669.11