Finding the Fourth Proportional to 2,978.27, 4,465.76 and 1,336.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.27 : 4,465.76 = 1,336.39 : x
2. Step 2: Convert to fraction form
   2,978.27/4,465.76 = 1,336.39/x
3. Step 3: Cross multiply
   2,978.27x = 4,465.76 × 1,336.39
4. Step 4: Simplify right side
   2,978.27x = 5,967,990.32
5. Step 5: Solve for x
   x = 5,967,990.32/2,978.27
6. Step 6: Final answer
   x = 2,003.84