Finding the Fourth Proportional to 3,958.50, 5,938.71 and 1,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,958.50 : 5,938.71 = 1,222.50 : x
2. Step 2: Convert to fraction form
   3,958.50/5,938.71 = 1,222.50/x
3. Step 3: Cross multiply
   3,958.50x = 5,938.71 × 1,222.50
4. Step 4: Simplify right side
   3,958.50x = 7,260,072.98
5. Step 5: Solve for x
   x = 7,260,072.98/3,958.50
6. Step 6: Final answer
   x = 1,834.05