Finding the Fourth Proportional to 1,408.86, 1,944 and 849.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.86 : 1,944 = 849.15 : x
2. Step 2: Convert to fraction form
   1,408.86/1,944 = 849.15/x
3. Step 3: Cross multiply
   1,408.86x = 1,944 × 849.15
4. Step 4: Simplify right side
   1,408.86x = 1,650,747.60
5. Step 5: Solve for x
   x = 1,650,747.60/1,408.86
6. Step 6: Final answer
   x = 1,171.69