Finding the Fourth Proportional to 13,003.75, 17,944.50 and 7,338.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.75 : 17,944.50 = 7,338.55 : x
2. Step 2: Convert to fraction form
   13,003.75/17,944.50 = 7,338.55/x
3. Step 3: Cross multiply
   13,003.75x = 17,944.50 × 7,338.55
4. Step 4: Simplify right side
   13,003.75x = 131,686,610.48
5. Step 5: Solve for x
   x = 131,686,610.48/13,003.75
6. Step 6: Final answer
   x = 10,126.82