Finding the Fourth Proportional to 8,300,859, 12,448,299.16 and 3,508,920.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300,859 : 12,448,299.16 = 3,508,920.84 : x
2. Step 2: Convert to fraction form
   8,300,859/12,448,299.16 = 3,508,920.84/x
3. Step 3: Cross multiply
   8,300,859x = 12,448,299.16 × 3,508,920.84
4. Step 4: Simplify right side
   8,300,859x = 43,680,096,345,078.49
5. Step 5: Solve for x
   x = 43,680,096,345,078.49/8,300,859
6. Step 6: Final answer
   x = 5,262,117.61