Finding the Fourth Proportional to 13,096.34, 18,073.31 and 7,431.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.34 : 18,073.31 = 7,431.32 : x
2. Step 2: Convert to fraction form
   13,096.34/18,073.31 = 7,431.32/x
3. Step 3: Cross multiply
   13,096.34x = 18,073.31 × 7,431.32
4. Step 4: Simplify right side
   13,096.34x = 134,308,512.91
5. Step 5: Solve for x
   x = 134,308,512.91/13,096.34
6. Step 6: Final answer
   x = 10,255.43