Finding the Fourth Proportional to 3,915.14, 5,404.52 and 2,796.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.14 : 5,404.52 = 2,796.53 : x
2. Step 2: Convert to fraction form
   3,915.14/5,404.52 = 2,796.53/x
3. Step 3: Cross multiply
   3,915.14x = 5,404.52 × 2,796.53
4. Step 4: Simplify right side
   3,915.14x = 15,113,882.28
5. Step 5: Solve for x
   x = 15,113,882.28/3,915.14
6. Step 6: Final answer
   x = 3,860.37