Finding the Fourth Proportional to 7,362.32, 10,163.20 and 5,123.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,362.32 : 10,163.20 = 5,123.38 : x
2. Step 2: Convert to fraction form
   7,362.32/10,163.20 = 5,123.38/x
3. Step 3: Cross multiply
   7,362.32x = 10,163.20 × 5,123.38
4. Step 4: Simplify right side
   7,362.32x = 52,069,935.62
5. Step 5: Solve for x
   x = 52,069,935.62/7,362.32
6. Step 6: Final answer
   x = 7,072.49