Finding the Fourth Proportional to 8,151.42, 11,250.69 and 4,965.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.42 : 11,250.69 = 4,965.78 : x
2. Step 2: Convert to fraction form
   8,151.42/11,250.69 = 4,965.78/x
3. Step 3: Cross multiply
   8,151.42x = 11,250.69 × 4,965.78
4. Step 4: Simplify right side
   8,151.42x = 55,868,451.39
5. Step 5: Solve for x
   x = 55,868,451.39/8,151.42
6. Step 6: Final answer
   x = 6,853.83