Finding the Fourth Proportional to 10,338.87, 14,271.69 and 7,329.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.87 : 14,271.69 = 7,329.72 : x
2. Step 2: Convert to fraction form
   10,338.87/14,271.69 = 7,329.72/x
3. Step 3: Cross multiply
   10,338.87x = 14,271.69 × 7,329.72
4. Step 4: Simplify right side
   10,338.87x = 104,607,420.27
5. Step 5: Solve for x
   x = 104,607,420.27/10,338.87
6. Step 6: Final answer
   x = 10,117.88