Finding the Fourth Proportional to 2,810.74, 4,216.29 and 1,167.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810.74 : 4,216.29 = 1,167.42 : x
2. Step 2: Convert to fraction form
   2,810.74/4,216.29 = 1,167.42/x
3. Step 3: Cross multiply
   2,810.74x = 4,216.29 × 1,167.42
4. Step 4: Simplify right side
   2,810.74x = 4,922,181.27
5. Step 5: Solve for x
   x = 4,922,181.27/2,810.74
6. Step 6: Final answer
   x = 1,751.20