Finding the Fourth Proportional to 1,408.62, 1,943.99 and 849.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.62 : 1,943.99 = 849.06 : x
2. Step 2: Convert to fraction form
   1,408.62/1,943.99 = 849.06/x
3. Step 3: Cross multiply
   1,408.62x = 1,943.99 × 849.06
4. Step 4: Simplify right side
   1,408.62x = 1,650,559.90
5. Step 5: Solve for x
   x = 1,650,559.90/1,408.62
6. Step 6: Final answer
   x = 1,171.76