Finding the Fourth Proportional to 2,229.94, 3,077.29 and 1,235.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.94 : 3,077.29 = 1,235.22 : x
2. Step 2: Convert to fraction form
   2,229.94/3,077.29 = 1,235.22/x
3. Step 3: Cross multiply
   2,229.94x = 3,077.29 × 1,235.22
4. Step 4: Simplify right side
   2,229.94x = 3,801,130.15
5. Step 5: Solve for x
   x = 3,801,130.15/2,229.94
6. Step 6: Final answer
   x = 1,704.59