Finding the Fourth Proportional to 2,797.00, 3,859.90 and 1,538.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,797.00 : 3,859.90 = 1,538.11 : x
2. Step 2: Convert to fraction form
   2,797.00/3,859.90 = 1,538.11/x
3. Step 3: Cross multiply
   2,797.00x = 3,859.90 × 1,538.11
4. Step 4: Simplify right side
   2,797.00x = 5,936,931.49
5. Step 5: Solve for x
   x = 5,936,931.49/2,797.00
6. Step 6: Final answer
   x = 2,122.61