Finding the Fourth Proportional to 2,797.62, 3,860.82 and 1,538.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,797.62 : 3,860.82 = 1,538.70 : x
2. Step 2: Convert to fraction form
   2,797.62/3,860.82 = 1,538.70/x
3. Step 3: Cross multiply
   2,797.62x = 3,860.82 × 1,538.70
4. Step 4: Simplify right side
   2,797.62x = 5,940,643.73
5. Step 5: Solve for x
   x = 5,940,643.73/2,797.62
6. Step 6: Final answer
   x = 2,123.46