Finding the Fourth Proportional to 2,797.83, 3,860.91 and 1,538.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,797.83 : 3,860.91 = 1,538.91 : x
2. Step 2: Convert to fraction form
   2,797.83/3,860.91 = 1,538.91/x
3. Step 3: Cross multiply
   2,797.83x = 3,860.91 × 1,538.91
4. Step 4: Simplify right side
   2,797.83x = 5,941,593.01
5. Step 5: Solve for x
   x = 5,941,593.01/2,797.83
6. Step 6: Final answer
   x = 2,123.64