Finding the Fourth Proportional to 10,783.71, 16,175.42 and 3,388.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,783.71 : 16,175.42 = 3,388.62 : x
2. Step 2: Convert to fraction form
   10,783.71/16,175.42 = 3,388.62/x
3. Step 3: Cross multiply
   10,783.71x = 16,175.42 × 3,388.62
4. Step 4: Simplify right side
   10,783.71x = 54,812,334.78
5. Step 5: Solve for x
   x = 54,812,334.78/10,783.71
6. Step 6: Final answer
   x = 5,082.88