Finding the Fourth Proportional to 3,071.75, 4,608.21 and 1,222.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,071.75 : 4,608.21 = 1,222.52 : x
2. Step 2: Convert to fraction form
   3,071.75/4,608.21 = 1,222.52/x
3. Step 3: Cross multiply
   3,071.75x = 4,608.21 × 1,222.52
4. Step 4: Simplify right side
   3,071.75x = 5,633,605.85
5. Step 5: Solve for x
   x = 5,633,605.85/3,071.75
6. Step 6: Final answer
   x = 1,834.01