Finding the Fourth Proportional to 8,144,078.10, 12,205,619.55 and 4,945,809.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,144,078.10 : 12,205,619.55 = 4,945,809.30 : x
2. Step 2: Convert to fraction form
   8,144,078.10/12,205,619.55 = 4,945,809.30/x
3. Step 3: Cross multiply
   8,144,078.10x = 12,205,619.55 × 4,945,809.30
4. Step 4: Simplify right side
   8,144,078.10x = 60,366,666,682,651.82
5. Step 5: Solve for x
   x = 60,366,666,682,651.82/8,144,078.10
6. Step 6: Final answer
   x = 7,412,338.87