Finding the Fourth Proportional to 12,647.08, 17,448.06 and 7,339.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,647.08 : 17,448.06 = 7,339.96 : x
2. Step 2: Convert to fraction form
   12,647.08/17,448.06 = 7,339.96/x
3. Step 3: Cross multiply
   12,647.08x = 17,448.06 × 7,339.96
4. Step 4: Simplify right side
   12,647.08x = 128,068,062.48
5. Step 5: Solve for x
   x = 128,068,062.48/12,647.08
6. Step 6: Final answer
   x = 10,126.29