Finding the Fourth Proportional to 1,003,586.58, 1,505,062.71 and 329,556.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003,586.58 : 1,505,062.71 = 329,556.78 : x
2. Step 2: Convert to fraction form
   1,003,586.58/1,505,062.71 = 329,556.78/x
3. Step 3: Cross multiply
   1,003,586.58x = 1,505,062.71 × 329,556.78
4. Step 4: Simplify right side
   1,003,586.58x = 496,003,620,405.67
5. Step 5: Solve for x
   x = 496,003,620,405.67/1,003,586.58
6. Step 6: Final answer
   x = 494,231.02