Finding the Fourth Proportional to 9,994.83, 13,793.41 and 5,518.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,994.83 : 13,793.41 = 5,518.57 : x
2. Step 2: Convert to fraction form
   9,994.83/13,793.41 = 5,518.57/x
3. Step 3: Cross multiply
   9,994.83x = 13,793.41 × 5,518.57
4. Step 4: Simplify right side
   9,994.83x = 76,119,922.76
5. Step 5: Solve for x
   x = 76,119,922.76/9,994.83
6. Step 6: Final answer
   x = 7,615.93