Finding the Fourth Proportional to 2,093.37, 2,888.87 and 1,209.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.37 : 2,888.87 = 1,209.15 : x
2. Step 2: Convert to fraction form
   2,093.37/2,888.87 = 1,209.15/x
3. Step 3: Cross multiply
   2,093.37x = 2,888.87 × 1,209.15
4. Step 4: Simplify right side
   2,093.37x = 3,493,071.11
5. Step 5: Solve for x
   x = 3,493,071.11/2,093.37
6. Step 6: Final answer
   x = 1,668.64