Finding the Fourth Proportional to 2,014.22, 3,022.47 and 781.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.22 : 3,022.47 = 781.72 : x
2. Step 2: Convert to fraction form
   2,014.22/3,022.47 = 781.72/x
3. Step 3: Cross multiply
   2,014.22x = 3,022.47 × 781.72
4. Step 4: Simplify right side
   2,014.22x = 2,362,717.69
5. Step 5: Solve for x
   x = 2,362,717.69/2,014.22
6. Step 6: Final answer
   x = 1,173.02