Finding the Fourth Proportional to 10,745.89, 16,119.60 and 4,499.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,745.89 : 16,119.60 = 4,499.62 : x
2. Step 2: Convert to fraction form
   10,745.89/16,119.60 = 4,499.62/x
3. Step 3: Cross multiply
   10,745.89x = 16,119.60 × 4,499.62
4. Step 4: Simplify right side
   10,745.89x = 72,531,993.95
5. Step 5: Solve for x
   x = 72,531,993.95/10,745.89
6. Step 6: Final answer
   x = 6,749.75