Finding the Fourth Proportional to 9,994.44, 13,792.32 and 5,518.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,994.44 : 13,792.32 = 5,518.56 : x
2. Step 2: Convert to fraction form
   9,994.44/13,792.32 = 5,518.56/x
3. Step 3: Cross multiply
   9,994.44x = 13,792.32 × 5,518.56
4. Step 4: Simplify right side
   9,994.44x = 76,113,745.46
5. Step 5: Solve for x
   x = 76,113,745.46/9,994.44
6. Step 6: Final answer
   x = 7,615.61