Finding the Fourth Proportional to 3,900.98, 5,850.25 and 1,303.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.98 : 5,850.25 = 1,303.31 : x
2. Step 2: Convert to fraction form
   3,900.98/5,850.25 = 1,303.31/x
3. Step 3: Cross multiply
   3,900.98x = 5,850.25 × 1,303.31
4. Step 4: Simplify right side
   3,900.98x = 7,624,700.69
5. Step 5: Solve for x
   x = 7,624,700.69/3,900.98
6. Step 6: Final answer
   x = 1,954.56