Finding the Fourth Proportional to 9,499.39, 13,096.86 and 6,509.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.39 : 13,096.86 = 6,509.88 : x
2. Step 2: Convert to fraction form
   9,499.39/13,096.86 = 6,509.88/x
3. Step 3: Cross multiply
   9,499.39x = 13,096.86 × 6,509.88
4. Step 4: Simplify right side
   9,499.39x = 85,258,986.98
5. Step 5: Solve for x
   x = 85,258,986.98/9,499.39
6. Step 6: Final answer
   x = 8,975.21