Finding the Fourth Proportional to 2,864.53, 3,923.43 and 2,696.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.53 : 3,923.43 = 2,696.41 : x
2. Step 2: Convert to fraction form
   2,864.53/3,923.43 = 2,696.41/x
3. Step 3: Cross multiply
   2,864.53x = 3,923.43 × 2,696.41
4. Step 4: Simplify right side
   2,864.53x = 10,579,175.89
5. Step 5: Solve for x
   x = 10,579,175.89/2,864.53
6. Step 6: Final answer
   x = 3,693.16