Finding the Fourth Proportional to 12,389.22, 17,096.31 and 7,353.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,389.22 : 17,096.31 = 7,353.18 : x
2. Step 2: Convert to fraction form
   12,389.22/17,096.31 = 7,353.18/x
3. Step 3: Cross multiply
   12,389.22x = 17,096.31 × 7,353.18
4. Step 4: Simplify right side
   12,389.22x = 125,712,244.77
5. Step 5: Solve for x
   x = 125,712,244.77/12,389.22
6. Step 6: Final answer
   x = 10,146.91