Finding the Fourth Proportional to 2,978.63, 4,468.17 and 1,004.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.63 : 4,468.17 = 1,004.27 : x
2. Step 2: Convert to fraction form
   2,978.63/4,468.17 = 1,004.27/x
3. Step 3: Cross multiply
   2,978.63x = 4,468.17 × 1,004.27
4. Step 4: Simplify right side
   2,978.63x = 4,487,249.09
5. Step 5: Solve for x
   x = 4,487,249.09/2,978.63
6. Step 6: Final answer
   x = 1,506.48