Finding the Fourth Proportional to 978.53, 1,467.89 and 362.09

Step by Step Solution

1. Step 1: Write the proportion equation
   978.53 : 1,467.89 = 362.09 : x
2. Step 2: Convert to fraction form
   978.53/1,467.89 = 362.09/x
3. Step 3: Cross multiply
   978.53x = 1,467.89 × 362.09
4. Step 4: Simplify right side
   978.53x = 531,508.29
5. Step 5: Solve for x
   x = 531,508.29/978.53
6. Step 6: Final answer
   x = 543.17