Finding the Fourth Proportional to 2,388.48, 3,581.76 and 849.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.48 : 3,581.76 = 849.60 : x
2. Step 2: Convert to fraction form
   2,388.48/3,581.76 = 849.60/x
3. Step 3: Cross multiply
   2,388.48x = 3,581.76 × 849.60
4. Step 4: Simplify right side
   2,388.48x = 3,043,063.30
5. Step 5: Solve for x
   x = 3,043,063.30/2,388.48
6. Step 6: Final answer
   x = 1,274.06