Finding the Fourth Proportional to 10,928.37, 16,391.57 and 4,352.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,928.37 : 16,391.57 = 4,352.79 : x
2. Step 2: Convert to fraction form
   10,928.37/16,391.57 = 4,352.79/x
3. Step 3: Cross multiply
   10,928.37x = 16,391.57 × 4,352.79
4. Step 4: Simplify right side
   10,928.37x = 71,349,040.22
5. Step 5: Solve for x
   x = 71,349,040.22/10,928.37
6. Step 6: Final answer
   x = 6,528.79