Finding the Fourth Proportional to 9,928.50, 13,701.33 and 5,736.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928.50 : 13,701.33 = 5,736.75 : x
2. Step 2: Convert to fraction form
   9,928.50/13,701.33 = 5,736.75/x
3. Step 3: Cross multiply
   9,928.50x = 13,701.33 × 5,736.75
4. Step 4: Simplify right side
   9,928.50x = 78,601,104.88
5. Step 5: Solve for x
   x = 78,601,104.88/9,928.50
6. Step 6: Final answer
   x = 7,916.72