Finding the Fourth Proportional to 1,201,793.82, 1,802,573.61 and 315,329.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,793.82 : 1,802,573.61 = 315,329.82 : x
2. Step 2: Convert to fraction form
   1,201,793.82/1,802,573.61 = 315,329.82/x
3. Step 3: Cross multiply
   1,201,793.82x = 1,802,573.61 × 315,329.82
4. Step 4: Simplify right side
   1,201,793.82x = 568,405,211,978.05
5. Step 5: Solve for x
   x = 568,405,211,978.05/1,201,793.82
6. Step 6: Final answer
   x = 472,964.00