Finding the Fourth Proportional to 9,296.42, 12,828.72 and 5,104.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,296.42 : 12,828.72 = 5,104.64 : x
2. Step 2: Convert to fraction form
   9,296.42/12,828.72 = 5,104.64/x
3. Step 3: Cross multiply
   9,296.42x = 12,828.72 × 5,104.64
4. Step 4: Simplify right side
   9,296.42x = 65,485,997.26
5. Step 5: Solve for x
   x = 65,485,997.26/9,296.42
6. Step 6: Final answer
   x = 7,044.22