Finding the Fourth Proportional to 492,111.94, 737,905.47 and 254,866.18

Step by Step Solution

1. Step 1: Write the proportion equation
   492,111.94 : 737,905.47 = 254,866.18 : x
2. Step 2: Convert to fraction form
   492,111.94/737,905.47 = 254,866.18/x
3. Step 3: Cross multiply
   492,111.94x = 737,905.47 × 254,866.18
4. Step 4: Simplify right side
   492,111.94x = 188,067,148,340.01
5. Step 5: Solve for x
   x = 188,067,148,340.01/492,111.94
6. Step 6: Final answer
   x = 382,163.35