Finding the Fourth Proportional to 298.91, 412.52 and 174.55

Step by Step Solution

1. Step 1: Write the proportion equation
   298.91 : 412.52 = 174.55 : x
2. Step 2: Convert to fraction form
   298.91/412.52 = 174.55/x
3. Step 3: Cross multiply
   298.91x = 412.52 × 174.55
4. Step 4: Simplify right side
   298.91x = 72,003.30
5. Step 5: Solve for x
   x = 72,003.30/298.91
6. Step 6: Final answer
   x = 240.89