Finding the Fourth Proportional to 10,338.48, 14,267 and 5,622.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.48 : 14,267 = 5,622.72 : x
2. Step 2: Convert to fraction form
   10,338.48/14,267 = 5,622.72/x
3. Step 3: Cross multiply
   10,338.48x = 14,267 × 5,622.72
4. Step 4: Simplify right side
   10,338.48x = 80,219,346.24
5. Step 5: Solve for x
   x = 80,219,346.24/10,338.48
6. Step 6: Final answer
   x = 7,759.30