Finding the Fourth Proportional to 4,814.52, 7,223.40 and 2,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,814.52 : 7,223.40 = 2,215.50 : x
2. Step 2: Convert to fraction form
   4,814.52/7,223.40 = 2,215.50/x
3. Step 3: Cross multiply
   4,814.52x = 7,223.40 × 2,215.50
4. Step 4: Simplify right side
   4,814.52x = 16,003,442.70
5. Step 5: Solve for x
   x = 16,003,442.70/4,814.52
6. Step 6: Final answer
   x = 3,324.00