Finding the Fourth Proportional to 3,839.67, 5,300.69 and 2,515.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.67 : 5,300.69 = 2,515.41 : x
2. Step 2: Convert to fraction form
   3,839.67/5,300.69 = 2,515.41/x
3. Step 3: Cross multiply
   3,839.67x = 5,300.69 × 2,515.41
4. Step 4: Simplify right side
   3,839.67x = 13,333,396.06
5. Step 5: Solve for x
   x = 13,333,396.06/3,839.67
6. Step 6: Final answer
   x = 3,472.54