Finding the Fourth Proportional to 3,978.28, 5,951.22 and 2,237.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.28 : 5,951.22 = 2,237.32 : x
2. Step 2: Convert to fraction form
   3,978.28/5,951.22 = 2,237.32/x
3. Step 3: Cross multiply
   3,978.28x = 5,951.22 × 2,237.32
4. Step 4: Simplify right side
   3,978.28x = 13,314,783.53
5. Step 5: Solve for x
   x = 13,314,783.53/3,978.28
6. Step 6: Final answer
   x = 3,346.87