Finding the Fourth Proportional to 10,673.72, 16,015.20 and 4,435.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,673.72 : 16,015.20 = 4,435.10 : x
2. Step 2: Convert to fraction form
   10,673.72/16,015.20 = 4,435.10/x
3. Step 3: Cross multiply
   10,673.72x = 16,015.20 × 4,435.10
4. Step 4: Simplify right side
   10,673.72x = 71,029,013.52
5. Step 5: Solve for x
   x = 71,029,013.52/10,673.72
6. Step 6: Final answer
   x = 6,654.57