Finding the Fourth Proportional to 3,814.26, 5,719.01 and 2,150.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,814.26 : 5,719.01 = 2,150.78 : x
2. Step 2: Convert to fraction form
   3,814.26/5,719.01 = 2,150.78/x
3. Step 3: Cross multiply
   3,814.26x = 5,719.01 × 2,150.78
4. Step 4: Simplify right side
   3,814.26x = 12,300,309.06
5. Step 5: Solve for x
   x = 12,300,309.06/3,814.26
6. Step 6: Final answer
   x = 3,224.82