Finding the Fourth Proportional to 2,093.92, 2,888.78 and 1,209.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.92 : 2,888.78 = 1,209.54 : x
2. Step 2: Convert to fraction form
   2,093.92/2,888.78 = 1,209.54/x
3. Step 3: Cross multiply
   2,093.92x = 2,888.78 × 1,209.54
4. Step 4: Simplify right side
   2,093.92x = 3,494,094.96
5. Step 5: Solve for x
   x = 3,494,094.96/2,093.92
6. Step 6: Final answer
   x = 1,668.69