Finding the Fourth Proportional to 21,740,944.48, 30,003,233.98 and 12,798,441.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,740,944.48 : 30,003,233.98 = 12,798,441.09 : x
2. Step 2: Convert to fraction form
   21,740,944.48/30,003,233.98 = 12,798,441.09/x
3. Step 3: Cross multiply
   21,740,944.48x = 30,003,233.98 × 12,798,441.09
4. Step 4: Simplify right side
   21,740,944.48x = 383,994,622,594,504.38
5. Step 5: Solve for x
   x = 383,994,622,594,504.38/21,740,944.48
6. Step 6: Final answer
   x = 17,662,278.79