Finding the Fourth Proportional to 10,784.86, 16,176.51 and 3,391.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.86 : 16,176.51 = 3,391.43 : x
2. Step 2: Convert to fraction form
   10,784.86/16,176.51 = 3,391.43/x
3. Step 3: Cross multiply
   10,784.86x = 16,176.51 × 3,391.43
4. Step 4: Simplify right side
   10,784.86x = 54,861,481.09
5. Step 5: Solve for x
   x = 54,861,481.09/10,784.86
6. Step 6: Final answer
   x = 5,086.90