Finding the Fourth Proportional to 934.72, 1,401.98 and 414.73

Step by Step Solution

1. Step 1: Write the proportion equation
   934.72 : 1,401.98 = 414.73 : x
2. Step 2: Convert to fraction form
   934.72/1,401.98 = 414.73/x
3. Step 3: Cross multiply
   934.72x = 1,401.98 × 414.73
4. Step 4: Simplify right side
   934.72x = 581,443.17
5. Step 5: Solve for x
   x = 581,443.17/934.72
6. Step 6: Final answer
   x = 622.05