Finding the Fourth Proportional to 13,096.84, 18,072.06 and 7,431.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.84 : 18,072.06 = 7,431.16 : x
2. Step 2: Convert to fraction form
   13,096.84/18,072.06 = 7,431.16/x
3. Step 3: Cross multiply
   13,096.84x = 18,072.06 × 7,431.16
4. Step 4: Simplify right side
   13,096.84x = 134,296,369.39
5. Step 5: Solve for x
   x = 134,296,369.39/13,096.84
6. Step 6: Final answer
   x = 10,254.10