Finding the Fourth Proportional to 2,093.80, 2,889.47 and 1,209.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.80 : 2,889.47 = 1,209.59 : x
2. Step 2: Convert to fraction form
   2,093.80/2,889.47 = 1,209.59/x
3. Step 3: Cross multiply
   2,093.80x = 2,889.47 × 1,209.59
4. Step 4: Simplify right side
   2,093.80x = 3,495,074.02
5. Step 5: Solve for x
   x = 3,495,074.02/2,093.80
6. Step 6: Final answer
   x = 1,669.25