Finding the Fourth Proportional to 7,388.57, 10,198.17 and 4,203.73

Step by Step Solution

1. Step 1: Write the proportion equation
   7,388.57 : 10,198.17 = 4,203.73 : x
2. Step 2: Convert to fraction form
   7,388.57/10,198.17 = 4,203.73/x
3. Step 3: Cross multiply
   7,388.57x = 10,198.17 × 4,203.73
4. Step 4: Simplify right side
   7,388.57x = 42,870,353.17
5. Step 5: Solve for x
   x = 42,870,353.17/7,388.57
6. Step 6: Final answer
   x = 5,802.25