Finding the Fourth Proportional to 3,895.74, 5,810.94 and 3,577.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,895.74 : 5,810.94 = 3,577.32 : x
2. Step 2: Convert to fraction form
   3,895.74/5,810.94 = 3,577.32/x
3. Step 3: Cross multiply
   3,895.74x = 5,810.94 × 3,577.32
4. Step 4: Simplify right side
   3,895.74x = 20,787,591.88
5. Step 5: Solve for x
   x = 20,787,591.88/3,895.74
6. Step 6: Final answer
   x = 5,335.98