Finding the Fourth Proportional to 7,288.38, 10,923.39 and 3,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,288.38 : 10,923.39 = 3,123.50 : x
2. Step 2: Convert to fraction form
   7,288.38/10,923.39 = 3,123.50/x
3. Step 3: Cross multiply
   7,288.38x = 10,923.39 × 3,123.50
4. Step 4: Simplify right side
   7,288.38x = 34,119,154.05
5. Step 5: Solve for x
   x = 34,119,154.05/7,288.38
6. Step 6: Final answer
   x = 4,681.31