Finding the Fourth Proportional to 3,171.62, 4,756.52 and 1,223.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171.62 : 4,756.52 = 1,223.37 : x
2. Step 2: Convert to fraction form
   3,171.62/4,756.52 = 1,223.37/x
3. Step 3: Cross multiply
   3,171.62x = 4,756.52 × 1,223.37
4. Step 4: Simplify right side
   3,171.62x = 5,818,977.76
5. Step 5: Solve for x
   x = 5,818,977.76/3,171.62
6. Step 6: Final answer
   x = 1,834.70