Finding the Fourth Proportional to 2,814.16, 4,218.96 and 1,171.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.16 : 4,218.96 = 1,171.94 : x
2. Step 2: Convert to fraction form
   2,814.16/4,218.96 = 1,171.94/x
3. Step 3: Cross multiply
   2,814.16x = 4,218.96 × 1,171.94
4. Step 4: Simplify right side
   2,814.16x = 4,944,367.10
5. Step 5: Solve for x
   x = 4,944,367.10/2,814.16
6. Step 6: Final answer
   x = 1,756.96