Finding the Fourth Proportional to 13,273.08, 18,316.31 and 7,822.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,273.08 : 18,316.31 = 7,822.09 : x
2. Step 2: Convert to fraction form
   13,273.08/18,316.31 = 7,822.09/x
3. Step 3: Cross multiply
   13,273.08x = 18,316.31 × 7,822.09
4. Step 4: Simplify right side
   13,273.08x = 143,271,825.29
5. Step 5: Solve for x
   x = 143,271,825.29/13,273.08
6. Step 6: Final answer
   x = 10,794.17