Finding the Fourth Proportional to 2,094.35, 2,889.88 and 1,209.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.35 : 2,889.88 = 1,209.99 : x
2. Step 2: Convert to fraction form
   2,094.35/2,889.88 = 1,209.99/x
3. Step 3: Cross multiply
   2,094.35x = 2,889.88 × 1,209.99
4. Step 4: Simplify right side
   2,094.35x = 3,496,708.43
5. Step 5: Solve for x
   x = 3,496,708.43/2,094.35
6. Step 6: Final answer
   x = 1,669.59