Finding the Fourth Proportional to 10,765.94, 16,145.76 and 4,190.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,765.94 : 16,145.76 = 4,190.56 : x
2. Step 2: Convert to fraction form
   10,765.94/16,145.76 = 4,190.56/x
3. Step 3: Cross multiply
   10,765.94x = 16,145.76 × 4,190.56
4. Step 4: Simplify right side
   10,765.94x = 67,659,776.03
5. Step 5: Solve for x
   x = 67,659,776.03/10,765.94
6. Step 6: Final answer
   x = 6,284.61