Finding the Fourth Proportional to 1,222.39, 1,834.44 and 605.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222.39 : 1,834.44 = 605.98 : x
2. Step 2: Convert to fraction form
   1,222.39/1,834.44 = 605.98/x
3. Step 3: Cross multiply
   1,222.39x = 1,834.44 × 605.98
4. Step 4: Simplify right side
   1,222.39x = 1,111,633.95
5. Step 5: Solve for x
   x = 1,111,633.95/1,222.39
6. Step 6: Final answer
   x = 909.39