Finding the Fourth Proportional to 3,762.56, 5,644.34 and 1,296.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,762.56 : 5,644.34 = 1,296.72 : x
2. Step 2: Convert to fraction form
   3,762.56/5,644.34 = 1,296.72/x
3. Step 3: Cross multiply
   3,762.56x = 5,644.34 × 1,296.72
4. Step 4: Simplify right side
   3,762.56x = 7,319,128.56
5. Step 5: Solve for x
   x = 7,319,128.56/3,762.56
6. Step 6: Final answer
   x = 1,945.25