Finding the Fourth Proportional to 8,435,686.72, 12,653,880 and 2,452,054.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,435,686.72 : 12,653,880 = 2,452,054.72 : x
2. Step 2: Convert to fraction form
   8,435,686.72/12,653,880 = 2,452,054.72/x
3. Step 3: Cross multiply
   8,435,686.72x = 12,653,880 × 2,452,054.72
4. Step 4: Simplify right side
   8,435,686.72x = 31,028,006,180,313.60
5. Step 5: Solve for x
   x = 31,028,006,180,313.60/8,435,686.72
6. Step 6: Final answer
   x = 3,678,183.79