Finding the Fourth Proportional to 12,396.22, 17,105.97 and 7,360.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,396.22 : 17,105.97 = 7,360.18 : x
2. Step 2: Convert to fraction form
   12,396.22/17,105.97 = 7,360.18/x
3. Step 3: Cross multiply
   12,396.22x = 17,105.97 × 7,360.18
4. Step 4: Simplify right side
   12,396.22x = 125,903,018.27
5. Step 5: Solve for x
   x = 125,903,018.27/12,396.22
6. Step 6: Final answer
   x = 10,156.57