Finding the Fourth Proportional to 9,289.83, 12,816.83 and 5,308.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,289.83 : 12,816.83 = 5,308.12 : x
2. Step 2: Convert to fraction form
   9,289.83/12,816.83 = 5,308.12/x
3. Step 3: Cross multiply
   9,289.83x = 12,816.83 × 5,308.12
4. Step 4: Simplify right side
   9,289.83x = 68,033,271.66
5. Step 5: Solve for x
   x = 68,033,271.66/9,289.83
6. Step 6: Final answer
   x = 7,323.41