Finding the Fourth Proportional to 10,913.76, 16,357.37 and 4,982.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913.76 : 16,357.37 = 4,982.49 : x
2. Step 2: Convert to fraction form
   10,913.76/16,357.37 = 4,982.49/x
3. Step 3: Cross multiply
   10,913.76x = 16,357.37 × 4,982.49
4. Step 4: Simplify right side
   10,913.76x = 81,500,407.54
5. Step 5: Solve for x
   x = 81,500,407.54/10,913.76
6. Step 6: Final answer
   x = 7,467.67