Finding the Fourth Proportional to 504.89, 757.15 and 196.71

Step by Step Solution

1. Step 1: Write the proportion equation
   504.89 : 757.15 = 196.71 : x
2. Step 2: Convert to fraction form
   504.89/757.15 = 196.71/x
3. Step 3: Cross multiply
   504.89x = 757.15 × 196.71
4. Step 4: Simplify right side
   504.89x = 148,938.98
5. Step 5: Solve for x
   x = 148,938.98/504.89
6. Step 6: Final answer
   x = 294.99