Finding the Fourth Proportional to 11,928.96, 16,456.32 and 7,735.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,928.96 : 16,456.32 = 7,735.68 : x
2. Step 2: Convert to fraction form
   11,928.96/16,456.32 = 7,735.68/x
3. Step 3: Cross multiply
   11,928.96x = 16,456.32 × 7,735.68
4. Step 4: Simplify right side
   11,928.96x = 127,300,825.50
5. Step 5: Solve for x
   x = 127,300,825.50/11,928.96
6. Step 6: Final answer
   x = 10,671.58