Finding the Fourth Proportional to 3,843.81, 5,304.15 and 2,515.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,843.81 : 5,304.15 = 2,515.41 : x
2. Step 2: Convert to fraction form
   3,843.81/5,304.15 = 2,515.41/x
3. Step 3: Cross multiply
   3,843.81x = 5,304.15 × 2,515.41
4. Step 4: Simplify right side
   3,843.81x = 13,342,111.95
5. Step 5: Solve for x
   x = 13,342,111.95/3,843.81
6. Step 6: Final answer
   x = 3,471.06