Finding the Fourth Proportional to 978.94, 1,468.23 and 401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   978.94 : 1,468.23 = 401.50 : x
2. Step 2: Convert to fraction form
   978.94/1,468.23 = 401.50/x
3. Step 3: Cross multiply
   978.94x = 1,468.23 × 401.50
4. Step 4: Simplify right side
   978.94x = 589,494.35
5. Step 5: Solve for x
   x = 589,494.35/978.94
6. Step 6: Final answer
   x = 602.18