Finding the Fourth Proportional to 10,939.98, 16,410.16 and 3,443.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,939.98 : 16,410.16 = 3,443.36 : x
2. Step 2: Convert to fraction form
   10,939.98/16,410.16 = 3,443.36/x
3. Step 3: Cross multiply
   10,939.98x = 16,410.16 × 3,443.36
4. Step 4: Simplify right side
   10,939.98x = 56,506,006.49
5. Step 5: Solve for x
   x = 56,506,006.49/10,939.98
6. Step 6: Final answer
   x = 5,165.09