Finding the Fourth Proportional to 404.72, 607.01 and 173.63

Step by Step Solution

1. Step 1: Write the proportion equation
   404.72 : 607.01 = 173.63 : x
2. Step 2: Convert to fraction form
   404.72/607.01 = 173.63/x
3. Step 3: Cross multiply
   404.72x = 607.01 × 173.63
4. Step 4: Simplify right side
   404.72x = 105,395.15
5. Step 5: Solve for x
   x = 105,395.15/404.72
6. Step 6: Final answer
   x = 260.41