Finding the Fourth Proportional to 4,951.28, 7,431.78 and 3,770.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,951.28 : 7,431.78 = 3,770.30 : x
2. Step 2: Convert to fraction form
   4,951.28/7,431.78 = 3,770.30/x
3. Step 3: Cross multiply
   4,951.28x = 7,431.78 × 3,770.30
4. Step 4: Simplify right side
   4,951.28x = 28,020,002.98
5. Step 5: Solve for x
   x = 28,020,002.98/4,951.28
6. Step 6: Final answer
   x = 5,659.15