Finding the Fourth Proportional to 2,952.66, 4,429.25 and 978.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,952.66 : 4,429.25 = 978.29 : x
2. Step 2: Convert to fraction form
   2,952.66/4,429.25 = 978.29/x
3. Step 3: Cross multiply
   2,952.66x = 4,429.25 × 978.29
4. Step 4: Simplify right side
   2,952.66x = 4,333,063.94
5. Step 5: Solve for x
   x = 4,333,063.94/2,952.66
6. Step 6: Final answer
   x = 1,467.51