Finding the Fourth Proportional to 4,069.83, 5,615.37 and 2,391.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,069.83 : 5,615.37 = 2,391.30 : x
2. Step 2: Convert to fraction form
   4,069.83/5,615.37 = 2,391.30/x
3. Step 3: Cross multiply
   4,069.83x = 5,615.37 × 2,391.30
4. Step 4: Simplify right side
   4,069.83x = 13,428,034.28
5. Step 5: Solve for x
   x = 13,428,034.28/4,069.83
6. Step 6: Final answer
   x = 3,299.41