Finding the Fourth Proportional to 9,995.16, 13,793.30 and 5,518.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,995.16 : 13,793.30 = 5,518.76 : x
2. Step 2: Convert to fraction form
   9,995.16/13,793.30 = 5,518.76/x
3. Step 3: Cross multiply
   9,995.16x = 13,793.30 × 5,518.76
4. Step 4: Simplify right side
   9,995.16x = 76,121,912.31
5. Step 5: Solve for x
   x = 76,121,912.31/9,995.16
6. Step 6: Final answer
   x = 7,615.88