Finding the Fourth Proportional to 3,900.91, 5,850.72 and 1,303.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.91 : 5,850.72 = 1,303.84 : x
2. Step 2: Convert to fraction form
   3,900.91/5,850.72 = 1,303.84/x
3. Step 3: Cross multiply
   3,900.91x = 5,850.72 × 1,303.84
4. Step 4: Simplify right side
   3,900.91x = 7,628,396.25
5. Step 5: Solve for x
   x = 7,628,396.25/3,900.91
6. Step 6: Final answer
   x = 1,955.54