Finding the Fourth Proportional to 13,272.82, 18,316.69 and 7,608.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,272.82 : 18,316.69 = 7,608.06 : x
2. Step 2: Convert to fraction form
   13,272.82/18,316.69 = 7,608.06/x
3. Step 3: Cross multiply
   13,272.82x = 18,316.69 × 7,608.06
4. Step 4: Simplify right side
   13,272.82x = 139,354,457.50
5. Step 5: Solve for x
   x = 139,354,457.50/13,272.82
6. Step 6: Final answer
   x = 10,499.24