Finding the Fourth Proportional to 9,497.32, 13,105.86 and 5,518.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,497.32 : 13,105.86 = 5,518.60 : x
2. Step 2: Convert to fraction form
   9,497.32/13,105.86 = 5,518.60/x
3. Step 3: Cross multiply
   9,497.32x = 13,105.86 × 5,518.60
4. Step 4: Simplify right side
   9,497.32x = 72,325,999.00
5. Step 5: Solve for x
   x = 72,325,999.00/9,497.32
6. Step 6: Final answer
   x = 7,615.41