Finding the Fourth Proportional to 8,431,074.72, 12,648,624 and 2,751,309.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,431,074.72 : 12,648,624 = 2,751,309.60 : x
2. Step 2: Convert to fraction form
   8,431,074.72/12,648,624 = 2,751,309.60/x
3. Step 3: Cross multiply
   8,431,074.72x = 12,648,624 × 2,751,309.60
4. Step 4: Simplify right side
   8,431,074.72x = 34,800,280,637,990.40
5. Step 5: Solve for x
   x = 34,800,280,637,990.40/8,431,074.72
6. Step 6: Final answer
   x = 4,127,620.95