Finding the Fourth Proportional to 13,298.38, 18,350.94 and 7,329.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,298.38 : 18,350.94 = 7,329.72 : x
2. Step 2: Convert to fraction form
   13,298.38/18,350.94 = 7,329.72/x
3. Step 3: Cross multiply
   13,298.38x = 18,350.94 × 7,329.72
4. Step 4: Simplify right side
   13,298.38x = 134,507,251.94
5. Step 5: Solve for x
   x = 134,507,251.94/13,298.38
6. Step 6: Final answer
   x = 10,114.56