Finding the Fourth Proportional to 1,234.94, 1,851.89 and 541.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.94 : 1,851.89 = 541.24 : x
2. Step 2: Convert to fraction form
   1,234.94/1,851.89 = 541.24/x
3. Step 3: Cross multiply
   1,234.94x = 1,851.89 × 541.24
4. Step 4: Simplify right side
   1,234.94x = 1,002,309.61
5. Step 5: Solve for x
   x = 1,002,309.61/1,234.94
6. Step 6: Final answer
   x = 811.63