Finding the Fourth Proportional to 3,895.33, 5,871.74 and 3,669.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.33 : 5,871.74 = 3,669.55 : x
2. Step 2: Convert to fraction form
   3,895.33/5,871.74 = 3,669.55/x
3. Step 3: Cross multiply
   3,895.33x = 5,871.74 × 3,669.55
4. Step 4: Simplify right side
   3,895.33x = 21,546,643.52
5. Step 5: Solve for x
   x = 21,546,643.52/3,895.33
6. Step 6: Final answer
   x = 5,531.40