Finding the Fourth Proportional to 10,783.86, 16,177.20 and 3,763.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,783.86 : 16,177.20 = 3,763.99 : x
2. Step 2: Convert to fraction form
   10,783.86/16,177.20 = 3,763.99/x
3. Step 3: Cross multiply
   10,783.86x = 16,177.20 × 3,763.99
4. Step 4: Simplify right side
   10,783.86x = 60,890,819.03
5. Step 5: Solve for x
   x = 60,890,819.03/10,783.86
6. Step 6: Final answer
   x = 5,646.48