Finding the Fourth Proportional to 578,499,878.54, 798,379,067.86 and 327,648,894.78

Step by Step Solution

1. Step 1: Write the proportion equation
   578,499,878.54 : 798,379,067.86 = 327,648,894.78 : x
2. Step 2: Convert to fraction form
   578,499,878.54/798,379,067.86 = 327,648,894.78/x
3. Step 3: Cross multiply
   578,499,878.54x = 798,379,067.86 × 327,648,894.78
4. Step 4: Simplify right side
   578,499,878.54x = 261,588,019,199,815,616
5. Step 5: Solve for x
   x = 261,588,019,199,815,616/578,499,878.54
6. Step 6: Final answer
   x = 452,183,360.63