Finding the Fourth Proportional to 10,783.58, 16,177 and 3,387.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,783.58 : 16,177 = 3,387.34 : x
2. Step 2: Convert to fraction form
   10,783.58/16,177 = 3,387.34/x
3. Step 3: Cross multiply
   10,783.58x = 16,177 × 3,387.34
4. Step 4: Simplify right side
   10,783.58x = 54,797,039.62
5. Step 5: Solve for x
   x = 54,797,039.62/10,783.58
6. Step 6: Final answer
   x = 5,081.53