Finding the Fourth Proportional to 8,626,815.86, 12,942,908.72 and 2,561,579.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,626,815.86 : 12,942,908.72 = 2,561,579.18 : x
2. Step 2: Convert to fraction form
   8,626,815.86/12,942,908.72 = 2,561,579.18/x
3. Step 3: Cross multiply
   8,626,815.86x = 12,942,908.72 × 2,561,579.18
4. Step 4: Simplify right side
   8,626,815.86x = 33,154,285,505,792.45
5. Step 5: Solve for x
   x = 33,154,285,505,792.45/8,626,815.86
6. Step 6: Final answer
   x = 3,843,166.01