Finding the Fourth Proportional to 1,626.72, 2,438.92 and 760.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626.72 : 2,438.92 = 760.56 : x
2. Step 2: Convert to fraction form
   1,626.72/2,438.92 = 760.56/x
3. Step 3: Cross multiply
   1,626.72x = 2,438.92 × 760.56
4. Step 4: Simplify right side
   1,626.72x = 1,854,945.00
5. Step 5: Solve for x
   x = 1,854,945.00/1,626.72
6. Step 6: Final answer
   x = 1,140.30