Finding the Fourth Proportional to 1,409.05, 1,943.86 and 849.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.05 : 1,943.86 = 849.18 : x
2. Step 2: Convert to fraction form
   1,409.05/1,943.86 = 849.18/x
3. Step 3: Cross multiply
   1,409.05x = 1,943.86 × 849.18
4. Step 4: Simplify right side
   1,409.05x = 1,650,687.03
5. Step 5: Solve for x
   x = 1,650,687.03/1,409.05
6. Step 6: Final answer
   x = 1,171.49