Finding the Fourth Proportional to 12,644.22, 17,448.38 and 7,054.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,644.22 : 17,448.38 = 7,054.14 : x
2. Step 2: Convert to fraction form
   12,644.22/17,448.38 = 7,054.14/x
3. Step 3: Cross multiply
   12,644.22x = 17,448.38 × 7,054.14
4. Step 4: Simplify right side
   12,644.22x = 123,083,315.29
5. Step 5: Solve for x
   x = 123,083,315.29/12,644.22
6. Step 6: Final answer
   x = 9,734.35