Finding the Fourth Proportional to 3,886.85, 5,802.06 and 3,597.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.85 : 5,802.06 = 3,597.75 : x
2. Step 2: Convert to fraction form
   3,886.85/5,802.06 = 3,597.75/x
3. Step 3: Cross multiply
   3,886.85x = 5,802.06 × 3,597.75
4. Step 4: Simplify right side
   3,886.85x = 20,874,361.37
5. Step 5: Solve for x
   x = 20,874,361.37/3,886.85
6. Step 6: Final answer
   x = 5,370.52