Finding the Fourth Proportional to 1,408.56, 1,943.88 and 849.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408.56 : 1,943.88 = 849.06 : x
2. Step 2: Convert to fraction form
   1,408.56/1,943.88 = 849.06/x
3. Step 3: Cross multiply
   1,408.56x = 1,943.88 × 849.06
4. Step 4: Simplify right side
   1,408.56x = 1,650,470.75
5. Step 5: Solve for x
   x = 1,650,470.75/1,408.56
6. Step 6: Final answer
   x = 1,171.74