Finding the Fourth Proportional to 13,270.72, 18,313.98 and 7,606

Step by Step Solution

1. Step 1: Write the proportion equation
   13,270.72 : 18,313.98 = 7,606 : x
2. Step 2: Convert to fraction form
   13,270.72/18,313.98 = 7,606/x
3. Step 3: Cross multiply
   13,270.72x = 18,313.98 × 7,606
4. Step 4: Simplify right side
   13,270.72x = 139,296,131.88
5. Step 5: Solve for x
   x = 139,296,131.88/13,270.72
6. Step 6: Final answer
   x = 10,496.50