Finding the Fourth Proportional to 9,608.28, 13,260.72 and 5,630.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,608.28 : 13,260.72 = 5,630.98 : x
2. Step 2: Convert to fraction form
   9,608.28/13,260.72 = 5,630.98/x
3. Step 3: Cross multiply
   9,608.28x = 13,260.72 × 5,630.98
4. Step 4: Simplify right side
   9,608.28x = 74,670,849.11
5. Step 5: Solve for x
   x = 74,670,849.11/9,608.28
6. Step 6: Final answer
   x = 7,771.51