Finding the Fourth Proportional to 3,171.50, 4,756.33 and 1,223.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171.50 : 4,756.33 = 1,223.25 : x
2. Step 2: Convert to fraction form
   3,171.50/4,756.33 = 1,223.25/x
3. Step 3: Cross multiply
   3,171.50x = 4,756.33 × 1,223.25
4. Step 4: Simplify right side
   3,171.50x = 5,818,180.67
5. Step 5: Solve for x
   x = 5,818,180.67/3,171.50
6. Step 6: Final answer
   x = 1,834.52