Finding the Fourth Proportional to 7,716.75, 10,638.18 and 5,483.73

Step by Step Solution

1. Step 1: Write the proportion equation
   7,716.75 : 10,638.18 = 5,483.73 : x
2. Step 2: Convert to fraction form
   7,716.75/10,638.18 = 5,483.73/x
3. Step 3: Cross multiply
   7,716.75x = 10,638.18 × 5,483.73
4. Step 4: Simplify right side
   7,716.75x = 58,336,906.81
5. Step 5: Solve for x
   x = 58,336,906.81/7,716.75
6. Step 6: Final answer
   x = 7,559.78