Finding the Fourth Proportional to 12,944.39, 17,862.83 and 7,279.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,944.39 : 17,862.83 = 7,279.38 : x
2. Step 2: Convert to fraction form
   12,944.39/17,862.83 = 7,279.38/x
3. Step 3: Cross multiply
   12,944.39x = 17,862.83 × 7,279.38
4. Step 4: Simplify right side
   12,944.39x = 130,030,291.05
5. Step 5: Solve for x
   x = 130,030,291.05/12,944.39
6. Step 6: Final answer
   x = 10,045.30