Finding the Fourth Proportional to 10,783.29, 16,173.87 and 3,387.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,783.29 : 16,173.87 = 3,387.55 : x
2. Step 2: Convert to fraction form
   10,783.29/16,173.87 = 3,387.55/x
3. Step 3: Cross multiply
   10,783.29x = 16,173.87 × 3,387.55
4. Step 4: Simplify right side
   10,783.29x = 54,789,793.32
5. Step 5: Solve for x
   x = 54,789,793.32/10,783.29
6. Step 6: Final answer
   x = 5,080.99