Finding the Fourth Proportional to 404.91, 607.35 and 116.34

Step by Step Solution

1. Step 1: Write the proportion equation
   404.91 : 607.35 = 116.34 : x
2. Step 2: Convert to fraction form
   404.91/607.35 = 116.34/x
3. Step 3: Cross multiply
   404.91x = 607.35 × 116.34
4. Step 4: Simplify right side
   404.91x = 70,659.10
5. Step 5: Solve for x
   x = 70,659.10/404.91
6. Step 6: Final answer
   x = 174.51