Finding the Fourth Proportional to 1,839.94, 2,760.15 and 541.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.94 : 2,760.15 = 541.42 : x
2. Step 2: Convert to fraction form
   1,839.94/2,760.15 = 541.42/x
3. Step 3: Cross multiply
   1,839.94x = 2,760.15 × 541.42
4. Step 4: Simplify right side
   1,839.94x = 1,494,400.41
5. Step 5: Solve for x
   x = 1,494,400.41/1,839.94
6. Step 6: Final answer
   x = 812.20