Finding the Fourth Proportional to 9,228.83, 12,736.72 and 5,453.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,228.83 : 12,736.72 = 5,453.22 : x
2. Step 2: Convert to fraction form
   9,228.83/12,736.72 = 5,453.22/x
3. Step 3: Cross multiply
   9,228.83x = 12,736.72 × 5,453.22
4. Step 4: Simplify right side
   9,228.83x = 69,456,072.55
5. Step 5: Solve for x
   x = 69,456,072.55/9,228.83
6. Step 6: Final answer
   x = 7,525.99