Finding the Fourth Proportional to 2,797.68, 3,860.72 and 1,538.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,797.68 : 3,860.72 = 1,538.73 : x
2. Step 2: Convert to fraction form
   2,797.68/3,860.72 = 1,538.73/x
3. Step 3: Cross multiply
   2,797.68x = 3,860.72 × 1,538.73
4. Step 4: Simplify right side
   2,797.68x = 5,940,621.13
5. Step 5: Solve for x
   x = 5,940,621.13/2,797.68
6. Step 6: Final answer
   x = 2,123.41