Finding the Fourth Proportional to 2,978.52, 4,466.13 and 1,336.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.52 : 4,466.13 = 1,336.64 : x
2. Step 2: Convert to fraction form
   2,978.52/4,466.13 = 1,336.64/x
3. Step 3: Cross multiply
   2,978.52x = 4,466.13 × 1,336.64
4. Step 4: Simplify right side
   2,978.52x = 5,969,608.00
5. Step 5: Solve for x
   x = 5,969,608.00/2,978.52
6. Step 6: Final answer
   x = 2,004.22