Finding the Fourth Proportional to 10,338.21, 14,267.03 and 5,622.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,338.21 : 14,267.03 = 5,622.80 : x
2. Step 2: Convert to fraction form
   10,338.21/14,267.03 = 5,622.80/x
3. Step 3: Cross multiply
   10,338.21x = 14,267.03 × 5,622.80
4. Step 4: Simplify right side
   10,338.21x = 80,220,556.83
5. Step 5: Solve for x
   x = 80,220,556.83/10,338.21
6. Step 6: Final answer
   x = 7,759.62