Finding the Fourth Proportional to 3,976.94, 5,991.89 and 3,602.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,976.94 : 5,991.89 = 3,602.18 : x
2. Step 2: Convert to fraction form
   3,976.94/5,991.89 = 3,602.18/x
3. Step 3: Cross multiply
   3,976.94x = 5,991.89 × 3,602.18
4. Step 4: Simplify right side
   3,976.94x = 21,583,866.32
5. Step 5: Solve for x
   x = 21,583,866.32/3,976.94
6. Step 6: Final answer
   x = 5,427.25