Finding the Fourth Proportional to 2,797.39, 3,860.45 and 1,538.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,797.39 : 3,860.45 = 1,538.50 : x
2. Step 2: Convert to fraction form
   2,797.39/3,860.45 = 1,538.50/x
3. Step 3: Cross multiply
   2,797.39x = 3,860.45 × 1,538.50
4. Step 4: Simplify right side
   2,797.39x = 5,939,302.33
5. Step 5: Solve for x
   x = 5,939,302.33/2,797.39
6. Step 6: Final answer
   x = 2,123.16