Finding the Fourth Proportional to 4,002.67, 5,964.71 and 3,870.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,002.67 : 5,964.71 = 3,870.37 : x
2. Step 2: Convert to fraction form
   4,002.67/5,964.71 = 3,870.37/x
3. Step 3: Cross multiply
   4,002.67x = 5,964.71 × 3,870.37
4. Step 4: Simplify right side
   4,002.67x = 23,085,634.64
5. Step 5: Solve for x
   x = 23,085,634.64/4,002.67
6. Step 6: Final answer
   x = 5,767.56