Finding the Fourth Proportional to 2,978.85, 4,469.49 and 1,334.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.85 : 4,469.49 = 1,334.28 : x
2. Step 2: Convert to fraction form
   2,978.85/4,469.49 = 1,334.28/x
3. Step 3: Cross multiply
   2,978.85x = 4,469.49 × 1,334.28
4. Step 4: Simplify right side
   2,978.85x = 5,963,551.12
5. Step 5: Solve for x
   x = 5,963,551.12/2,978.85
6. Step 6: Final answer
   x = 2,001.96