Finding the Fourth Proportional to 1,218,724.72, 1,828,067.52 and 332,260.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,218,724.72 : 1,828,067.52 = 332,260.72 : x
2. Step 2: Convert to fraction form
   1,218,724.72/1,828,067.52 = 332,260.72/x
3. Step 3: Cross multiply
   1,218,724.72x = 1,828,067.52 × 332,260.72
4. Step 4: Simplify right side
   1,218,724.72x = 607,395,030,403.81
5. Step 5: Solve for x
   x = 607,395,030,403.81/1,218,724.72
6. Step 6: Final answer
   x = 498,385.75