Finding the Fourth Proportional to 2,692.71, 4,040.58 and 1,049.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.71 : 4,040.58 = 1,049.05 : x
2. Step 2: Convert to fraction form
   2,692.71/4,040.58 = 1,049.05/x
3. Step 3: Cross multiply
   2,692.71x = 4,040.58 × 1,049.05
4. Step 4: Simplify right side
   2,692.71x = 4,238,770.45
5. Step 5: Solve for x
   x = 4,238,770.45/2,692.71
6. Step 6: Final answer
   x = 1,574.17