Finding the Fourth Proportional to 9,996.86, 13,795.57 and 5,520.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996.86 : 13,795.57 = 5,520.52 : x
2. Step 2: Convert to fraction form
   9,996.86/13,795.57 = 5,520.52/x
3. Step 3: Cross multiply
   9,996.86x = 13,795.57 × 5,520.52
4. Step 4: Simplify right side
   9,996.86x = 76,158,720.10
5. Step 5: Solve for x
   x = 76,158,720.10/9,996.86
6. Step 6: Final answer
   x = 7,618.26