Finding the Fourth Proportional to 9,994.41, 13,792.37 and 5,518.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,994.41 : 13,792.37 = 5,518.35 : x
2. Step 2: Convert to fraction form
   9,994.41/13,792.37 = 5,518.35/x
3. Step 3: Cross multiply
   9,994.41x = 13,792.37 × 5,518.35
4. Step 4: Simplify right side
   9,994.41x = 76,111,097.40
5. Step 5: Solve for x
   x = 76,111,097.40/9,994.41
6. Step 6: Final answer
   x = 7,615.37