Finding the Fourth Proportional to 3,760.27, 5,638.36 and 1,293.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.27 : 5,638.36 = 1,293.06 : x
2. Step 2: Convert to fraction form
   3,760.27/5,638.36 = 1,293.06/x
3. Step 3: Cross multiply
   3,760.27x = 5,638.36 × 1,293.06
4. Step 4: Simplify right side
   3,760.27x = 7,290,758.12
5. Step 5: Solve for x
   x = 7,290,758.12/3,760.27
6. Step 6: Final answer
   x = 1,938.89