Finding the Fourth Proportional to 404.89, 607.35 and 116.35

Step by Step Solution

1. Step 1: Write the proportion equation
   404.89 : 607.35 = 116.35 : x
2. Step 2: Convert to fraction form
   404.89/607.35 = 116.35/x
3. Step 3: Cross multiply
   404.89x = 607.35 × 116.35
4. Step 4: Simplify right side
   404.89x = 70,665.17
5. Step 5: Solve for x
   x = 70,665.17/404.89
6. Step 6: Final answer
   x = 174.53