Finding the Fourth Proportional to 2,409.39, 3,613.79 and 849.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,409.39 : 3,613.79 = 849.45 : x
2. Step 2: Convert to fraction form
   2,409.39/3,613.79 = 849.45/x
3. Step 3: Cross multiply
   2,409.39x = 3,613.79 × 849.45
4. Step 4: Simplify right side
   2,409.39x = 3,069,749.59
5. Step 5: Solve for x
   x = 3,069,749.59/2,409.39
6. Step 6: Final answer
   x = 1,274.08