Finding the Fourth Proportional to 13,003.26, 17,944.59 and 7,338.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.26 : 17,944.59 = 7,338.06 : x
2. Step 2: Convert to fraction form
   13,003.26/17,944.59 = 7,338.06/x
3. Step 3: Cross multiply
   13,003.26x = 17,944.59 × 7,338.06
4. Step 4: Simplify right side
   13,003.26x = 131,678,478.10
5. Step 5: Solve for x
   x = 131,678,478.10/13,003.26
6. Step 6: Final answer
   x = 10,126.57