Finding the Fourth Proportional to 8,996.50, 12,416.85 and 5,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,996.50 : 12,416.85 = 5,270.50 : x
2. Step 2: Convert to fraction form
   8,996.50/12,416.85 = 5,270.50/x
3. Step 3: Cross multiply
   8,996.50x = 12,416.85 × 5,270.50
4. Step 4: Simplify right side
   8,996.50x = 65,443,007.93
5. Step 5: Solve for x
   x = 65,443,007.93/8,996.50
6. Step 6: Final answer
   x = 7,274.27