Finding the Fourth Proportional to 10,905.53, 16,354.83 and 3,508.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,905.53 : 16,354.83 = 3,508.27 : x
2. Step 2: Convert to fraction form
   10,905.53/16,354.83 = 3,508.27/x
3. Step 3: Cross multiply
   10,905.53x = 16,354.83 × 3,508.27
4. Step 4: Simplify right side
   10,905.53x = 57,377,168.21
5. Step 5: Solve for x
   x = 57,377,168.21/10,905.53
6. Step 6: Final answer
   x = 5,261.29