Finding the Fourth Proportional to 3,951.78, 5,933.84 and 3,776.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.78 : 5,933.84 = 3,776.51 : x
2. Step 2: Convert to fraction form
   3,951.78/5,933.84 = 3,776.51/x
3. Step 3: Cross multiply
   3,951.78x = 5,933.84 × 3,776.51
4. Step 4: Simplify right side
   3,951.78x = 22,409,157.55
5. Step 5: Solve for x
   x = 22,409,157.55/3,951.78
6. Step 6: Final answer
   x = 5,670.65