Finding the Fourth Proportional to 2,814.84, 4,223.40 and 1,171.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.84 : 4,223.40 = 1,171.08 : x
2. Step 2: Convert to fraction form
   2,814.84/4,223.40 = 1,171.08/x
3. Step 3: Cross multiply
   2,814.84x = 4,223.40 × 1,171.08
4. Step 4: Simplify right side
   2,814.84x = 4,945,939.27
5. Step 5: Solve for x
   x = 4,945,939.27/2,814.84
6. Step 6: Final answer
   x = 1,757.09