Finding the Fourth Proportional to 3,900.50, 5,851.67 and 1,268.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.50 : 5,851.67 = 1,268.01 : x
2. Step 2: Convert to fraction form
   3,900.50/5,851.67 = 1,268.01/x
3. Step 3: Cross multiply
   3,900.50x = 5,851.67 × 1,268.01
4. Step 4: Simplify right side
   3,900.50x = 7,420,002.38
5. Step 5: Solve for x
   x = 7,420,002.38/3,900.50
6. Step 6: Final answer
   x = 1,902.32