Finding the Fourth Proportional to 2,542.78, 3,815.33 and 1,504.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,542.78 : 3,815.33 = 1,504.81 : x
2. Step 2: Convert to fraction form
   2,542.78/3,815.33 = 1,504.81/x
3. Step 3: Cross multiply
   2,542.78x = 3,815.33 × 1,504.81
4. Step 4: Simplify right side
   2,542.78x = 5,741,343.98
5. Step 5: Solve for x
   x = 5,741,343.98/2,542.78
6. Step 6: Final answer
   x = 2,257.90