Finding the Fourth Proportional to 3,857.69, 5,792.63 and 3,731.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,857.69 : 5,792.63 = 3,731.55 : x
2. Step 2: Convert to fraction form
   3,857.69/5,792.63 = 3,731.55/x
3. Step 3: Cross multiply
   3,857.69x = 5,792.63 × 3,731.55
4. Step 4: Simplify right side
   3,857.69x = 21,615,469.82
5. Step 5: Solve for x
   x = 21,615,469.82/3,857.69
6. Step 6: Final answer
   x = 5,603.22