Finding the Fourth Proportional to 13,271.70, 18,314.10 and 7,606.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,271.70 : 18,314.10 = 7,606.38 : x
2. Step 2: Convert to fraction form
   13,271.70/18,314.10 = 7,606.38/x
3. Step 3: Cross multiply
   13,271.70x = 18,314.10 × 7,606.38
4. Step 4: Simplify right side
   13,271.70x = 139,304,003.96
5. Step 5: Solve for x
   x = 139,304,003.96/13,271.70
6. Step 6: Final answer
   x = 10,496.32