Finding the Fourth Proportional to 3,222.50, 4,835.27 and 1,578.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222.50 : 4,835.27 = 1,578.13 : x
2. Step 2: Convert to fraction form
   3,222.50/4,835.27 = 1,578.13/x
3. Step 3: Cross multiply
   3,222.50x = 4,835.27 × 1,578.13
4. Step 4: Simplify right side
   3,222.50x = 7,630,676.50
5. Step 5: Solve for x
   x = 7,630,676.50/3,222.50
6. Step 6: Final answer
   x = 2,367.94