Finding the Fourth Proportional to 11,944.47, 17,928.81 and 4,928.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,944.47 : 17,928.81 = 4,928.69 : x
2. Step 2: Convert to fraction form
   11,944.47/17,928.81 = 4,928.69/x
3. Step 3: Cross multiply
   11,944.47x = 17,928.81 × 4,928.69
4. Step 4: Simplify right side
   11,944.47x = 88,365,546.56
5. Step 5: Solve for x
   x = 88,365,546.56/11,944.47
6. Step 6: Final answer
   x = 7,398.03