Finding the Fourth Proportional to 2,978.98, 4,468.58 and 1,004.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.98 : 4,468.58 = 1,004.69 : x
2. Step 2: Convert to fraction form
   2,978.98/4,468.58 = 1,004.69/x
3. Step 3: Cross multiply
   2,978.98x = 4,468.58 × 1,004.69
4. Step 4: Simplify right side
   2,978.98x = 4,489,547.56
5. Step 5: Solve for x
   x = 4,489,547.56/2,978.98
6. Step 6: Final answer
   x = 1,507.08