Finding the Fourth Proportional to 9,996.42, 13,793.85 and 5,519.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996.42 : 13,793.85 = 5,519.82 : x
2. Step 2: Convert to fraction form
   9,996.42/13,793.85 = 5,519.82/x
3. Step 3: Cross multiply
   9,996.42x = 13,793.85 × 5,519.82
4. Step 4: Simplify right side
   9,996.42x = 76,139,569.11
5. Step 5: Solve for x
   x = 76,139,569.11/9,996.42
6. Step 6: Final answer
   x = 7,616.68