Finding the Fourth Proportional to 1,838.39, 2,536.34 and 1,209.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,838.39 : 2,536.34 = 1,209.29 : x
2. Step 2: Convert to fraction form
   1,838.39/2,536.34 = 1,209.29/x
3. Step 3: Cross multiply
   1,838.39x = 2,536.34 × 1,209.29
4. Step 4: Simplify right side
   1,838.39x = 3,067,151.87
5. Step 5: Solve for x
   x = 3,067,151.87/1,838.39
6. Step 6: Final answer
   x = 1,668.39