Finding the Fourth Proportional to 1,409.07, 1,944.54 and 849.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.07 : 1,944.54 = 849.57 : x
2. Step 2: Convert to fraction form
   1,409.07/1,944.54 = 849.57/x
3. Step 3: Cross multiply
   1,409.07x = 1,944.54 × 849.57
4. Step 4: Simplify right side
   1,409.07x = 1,652,022.85
5. Step 5: Solve for x
   x = 1,652,022.85/1,409.07
6. Step 6: Final answer
   x = 1,172.42