Finding the Fourth Proportional to 3,978.02, 5,964.15 and 2,028.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978.02 : 5,964.15 = 2,028.74 : x
2. Step 2: Convert to fraction form
   3,978.02/5,964.15 = 2,028.74/x
3. Step 3: Cross multiply
   3,978.02x = 5,964.15 × 2,028.74
4. Step 4: Simplify right side
   3,978.02x = 12,099,709.67
5. Step 5: Solve for x
   x = 12,099,709.67/3,978.02
6. Step 6: Final answer
   x = 3,041.64