Finding the Fourth Proportional to 1,408.43, 1,943.80 and 849.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.43 : 1,943.80 = 849.17 : x
2. Step 2: Convert to fraction form
   1,408.43/1,943.80 = 849.17/x
3. Step 3: Cross multiply
   1,408.43x = 1,943.80 × 849.17
4. Step 4: Simplify right side
   1,408.43x = 1,650,619.38
5. Step 5: Solve for x
   x = 1,650,619.38/1,408.43
6. Step 6: Final answer
   x = 1,171.95