Finding the Fourth Proportional to 2,796.98, 3,859.89 and 1,538.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.98 : 3,859.89 = 1,538.18 : x
2. Step 2: Convert to fraction form
   2,796.98/3,859.89 = 1,538.18/x
3. Step 3: Cross multiply
   2,796.98x = 3,859.89 × 1,538.18
4. Step 4: Simplify right side
   2,796.98x = 5,937,205.60
5. Step 5: Solve for x
   x = 5,937,205.60/2,796.98
6. Step 6: Final answer
   x = 2,122.72