Finding the Fourth Proportional to 2,979.95, 4,468.94 and 1,005.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.95 : 4,468.94 = 1,005.05 : x
2. Step 2: Convert to fraction form
   2,979.95/4,468.94 = 1,005.05/x
3. Step 3: Cross multiply
   2,979.95x = 4,468.94 × 1,005.05
4. Step 4: Simplify right side
   2,979.95x = 4,491,480.78
5. Step 5: Solve for x
   x = 4,491,480.78/2,979.95
6. Step 6: Final answer
   x = 1,507.23