Finding the Fourth Proportional to 8,162,915.90, 12,245,669.85 and 2,772,074.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162,915.90 : 12,245,669.85 = 2,772,074.30 : x
2. Step 2: Convert to fraction form
   8,162,915.90/12,245,669.85 = 2,772,074.30/x
3. Step 3: Cross multiply
   8,162,915.90x = 12,245,669.85 × 2,772,074.30
4. Step 4: Simplify right side
   8,162,915.90x = 33,945,906,677,469.85
5. Step 5: Solve for x
   x = 33,945,906,677,469.85/8,162,915.90
6. Step 6: Final answer
   x = 4,158,551.56