Finding the Fourth Proportional to 3,751.82, 5,628.42 and 1,286.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,751.82 : 5,628.42 = 1,286.89 : x
2. Step 2: Convert to fraction form
   3,751.82/5,628.42 = 1,286.89/x
3. Step 3: Cross multiply
   3,751.82x = 5,628.42 × 1,286.89
4. Step 4: Simplify right side
   3,751.82x = 7,243,150.98
5. Step 5: Solve for x
   x = 7,243,150.98/3,751.82
6. Step 6: Final answer
   x = 1,930.57