Finding the Fourth Proportional to 2,677.20, 3,694.17 and 1,557.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677.20 : 3,694.17 = 1,557.27 : x
2. Step 2: Convert to fraction form
   2,677.20/3,694.17 = 1,557.27/x
3. Step 3: Cross multiply
   2,677.20x = 3,694.17 × 1,557.27
4. Step 4: Simplify right side
   2,677.20x = 5,752,820.12
5. Step 5: Solve for x
   x = 5,752,820.12/2,677.20
6. Step 6: Final answer
   x = 2,148.82