Finding the Fourth Proportional to 2,676.27, 3,692.96 and 1,557.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,676.27 : 3,692.96 = 1,557.15 : x
2. Step 2: Convert to fraction form
   2,676.27/3,692.96 = 1,557.15/x
3. Step 3: Cross multiply
   2,676.27x = 3,692.96 × 1,557.15
4. Step 4: Simplify right side
   2,676.27x = 5,750,484.88
5. Step 5: Solve for x
   x = 5,750,484.88/2,676.27
6. Step 6: Final answer
   x = 2,148.69