Finding the Fourth Proportional to 9,996.07, 13,794.50 and 5,520.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996.07 : 13,794.50 = 5,520.12 : x
2. Step 2: Convert to fraction form
   9,996.07/13,794.50 = 5,520.12/x
3. Step 3: Cross multiply
   9,996.07x = 13,794.50 × 5,520.12
4. Step 4: Simplify right side
   9,996.07x = 76,147,373.80
5. Step 5: Solve for x
   x = 76,147,373.80/9,996.07
6. Step 6: Final answer
   x = 7,617.73