Finding the Fourth Proportional to 3,825.42, 5,275.72 and 2,762.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,825.42 : 5,275.72 = 2,762.91 : x
2. Step 2: Convert to fraction form
   3,825.42/5,275.72 = 2,762.91/x
3. Step 3: Cross multiply
   3,825.42x = 5,275.72 × 2,762.91
4. Step 4: Simplify right side
   3,825.42x = 14,576,339.55
5. Step 5: Solve for x
   x = 14,576,339.55/3,825.42
6. Step 6: Final answer
   x = 3,810.39