Finding the Fourth Proportional to 10,877.28, 16,315.50 and 3,481.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.28 : 16,315.50 = 3,481.53 : x
2. Step 2: Convert to fraction form
   10,877.28/16,315.50 = 3,481.53/x
3. Step 3: Cross multiply
   10,877.28x = 16,315.50 × 3,481.53
4. Step 4: Simplify right side
   10,877.28x = 56,802,902.72
5. Step 5: Solve for x
   x = 56,802,902.72/10,877.28
6. Step 6: Final answer
   x = 5,222.16