Finding the Fourth Proportional to 21,401,243.82, 32,102,918.73 and 8,620,020.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401,243.82 : 32,102,918.73 = 8,620,020.54 : x
2. Step 2: Convert to fraction form
   21,401,243.82/32,102,918.73 = 8,620,020.54/x
3. Step 3: Cross multiply
   21,401,243.82x = 32,102,918.73 × 8,620,020.54
4. Step 4: Simplify right side
   21,401,243.82x = 276,727,818,846,550.69
5. Step 5: Solve for x
   x = 276,727,818,846,550.69/21,401,243.82
6. Step 6: Final answer
   x = 12,930,454.94