Finding the Fourth Proportional to 8,323,828.51, 12,485,758.82 and 3,208,667.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,323,828.51 : 12,485,758.82 = 3,208,667.20 : x
2. Step 2: Convert to fraction form
   8,323,828.51/12,485,758.82 = 3,208,667.20/x
3. Step 3: Cross multiply
   8,323,828.51x = 12,485,758.82 × 3,208,667.20
4. Step 4: Simplify right side
   8,323,828.51x = 40,062,644,792,844.71
5. Step 5: Solve for x
   x = 40,062,644,792,844.71/8,323,828.51
6. Step 6: Final answer
   x = 4,813,006.99