Finding the Fourth Proportional to 9,995.05, 13,792.83 and 5,518.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,995.05 : 13,792.83 = 5,518.53 : x
2. Step 2: Convert to fraction form
   9,995.05/13,792.83 = 5,518.53/x
3. Step 3: Cross multiply
   9,995.05x = 13,792.83 × 5,518.53
4. Step 4: Simplify right side
   9,995.05x = 76,116,156.49
5. Step 5: Solve for x
   x = 76,116,156.49/9,995.05
6. Step 6: Final answer
   x = 7,615.39