Finding the Fourth Proportional to 2,209.69, 3,054.25 and 1,942.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.69 : 3,054.25 = 1,942.13 : x
2. Step 2: Convert to fraction form
   2,209.69/3,054.25 = 1,942.13/x
3. Step 3: Cross multiply
   2,209.69x = 3,054.25 × 1,942.13
4. Step 4: Simplify right side
   2,209.69x = 5,931,730.43
5. Step 5: Solve for x
   x = 5,931,730.43/2,209.69
6. Step 6: Final answer
   x = 2,684.42