Finding the Fourth Proportional to 2,094.54, 2,890 and 1,210.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.54 : 2,890 = 1,210.15 : x
2. Step 2: Convert to fraction form
   2,094.54/2,890 = 1,210.15/x
3. Step 3: Cross multiply
   2,094.54x = 2,890 × 1,210.15
4. Step 4: Simplify right side
   2,094.54x = 3,497,333.50
5. Step 5: Solve for x
   x = 3,497,333.50/2,094.54
6. Step 6: Final answer
   x = 1,669.74