Finding the Fourth Proportional to 2,736.45, 3,776.19 and 1,557.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,736.45 : 3,776.19 = 1,557.42 : x
2. Step 2: Convert to fraction form
   2,736.45/3,776.19 = 1,557.42/x
3. Step 3: Cross multiply
   2,736.45x = 3,776.19 × 1,557.42
4. Step 4: Simplify right side
   2,736.45x = 5,881,113.83
5. Step 5: Solve for x
   x = 5,881,113.83/2,736.45
6. Step 6: Final answer
   x = 2,149.18