Finding the Fourth Proportional to 9,994.16, 13,791.92 and 5,517.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,994.16 : 13,791.92 = 5,517.76 : x
2. Step 2: Convert to fraction form
   9,994.16/13,791.92 = 5,517.76/x
3. Step 3: Cross multiply
   9,994.16x = 13,791.92 × 5,517.76
4. Step 4: Simplify right side
   9,994.16x = 76,100,504.50
5. Step 5: Solve for x
   x = 76,100,504.50/9,994.16
6. Step 6: Final answer
   x = 7,614.50