Finding the Fourth Proportional to 10,780.98, 16,165.74 and 3,383.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,780.98 : 16,165.74 = 3,383.42 : x
2. Step 2: Convert to fraction form
   10,780.98/16,165.74 = 3,383.42/x
3. Step 3: Cross multiply
   10,780.98x = 16,165.74 × 3,383.42
4. Step 4: Simplify right side
   10,780.98x = 54,695,488.03
5. Step 5: Solve for x
   x = 54,695,488.03/10,780.98
6. Step 6: Final answer
   x = 5,073.33