Finding the Fourth Proportional to 5,969.41, 8,230.04 and 3,978.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,969.41 : 8,230.04 = 3,978.43 : x
2. Step 2: Convert to fraction form
   5,969.41/8,230.04 = 3,978.43/x
3. Step 3: Cross multiply
   5,969.41x = 8,230.04 × 3,978.43
4. Step 4: Simplify right side
   5,969.41x = 32,742,612.49
5. Step 5: Solve for x
   x = 32,742,612.49/5,969.41
6. Step 6: Final answer
   x = 5,485.07