Finding the Fourth Proportional to 3,756.33, 5,633.06 and 1,290.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,756.33 : 5,633.06 = 1,290.69 : x
2. Step 2: Convert to fraction form
   3,756.33/5,633.06 = 1,290.69/x
3. Step 3: Cross multiply
   3,756.33x = 5,633.06 × 1,290.69
4. Step 4: Simplify right side
   3,756.33x = 7,270,527.76
5. Step 5: Solve for x
   x = 7,270,527.76/3,756.33
6. Step 6: Final answer
   x = 1,935.54