Finding the Fourth Proportional to 2,093.62, 2,889.63 and 1,209.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.62 : 2,889.63 = 1,209.30 : x
2. Step 2: Convert to fraction form
   2,093.62/2,889.63 = 1,209.30/x
3. Step 3: Cross multiply
   2,093.62x = 2,889.63 × 1,209.30
4. Step 4: Simplify right side
   2,093.62x = 3,494,423.51
5. Step 5: Solve for x
   x = 3,494,423.51/2,093.62
6. Step 6: Final answer
   x = 1,669.08