Finding the Fourth Proportional to 7,002.42, 9,663.72 and 4,018.23

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.42 : 9,663.72 = 4,018.23 : x
2. Step 2: Convert to fraction form
   7,002.42/9,663.72 = 4,018.23/x
3. Step 3: Cross multiply
   7,002.42x = 9,663.72 × 4,018.23
4. Step 4: Simplify right side
   7,002.42x = 38,831,049.62
5. Step 5: Solve for x
   x = 38,831,049.62/7,002.42
6. Step 6: Final answer
   x = 5,545.38