Finding the Fourth Proportional to 2,381,108.56, 3,571,653.12 and 864,788.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381,108.56 : 3,571,653.12 = 864,788.56 : x
2. Step 2: Convert to fraction form
   2,381,108.56/3,571,653.12 = 864,788.56/x
3. Step 3: Cross multiply
   2,381,108.56x = 3,571,653.12 × 864,788.56
4. Step 4: Simplify right side
   2,381,108.56x = 3,088,724,758,464.31
5. Step 5: Solve for x
   x = 3,088,724,758,464.31/2,381,108.56
6. Step 6: Final answer
   x = 1,297,179.31