Finding the Fourth Proportional to 3,938.50, 5,908.71 and 1,202.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.50 : 5,908.71 = 1,202.50 : x
2. Step 2: Convert to fraction form
   3,938.50/5,908.71 = 1,202.50/x
3. Step 3: Cross multiply
   3,938.50x = 5,908.71 × 1,202.50
4. Step 4: Simplify right side
   3,938.50x = 7,105,223.78
5. Step 5: Solve for x
   x = 7,105,223.78/3,938.50
6. Step 6: Final answer
   x = 1,804.04