Finding the Fourth Proportional to 2,462,697.20, 3,694,415.20 and 864,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462,697.20 : 3,694,415.20 = 864,978.72 : x
2. Step 2: Convert to fraction form
   2,462,697.20/3,694,415.20 = 864,978.72/x
3. Step 3: Cross multiply
   2,462,697.20x = 3,694,415.20 × 864,978.72
4. Step 4: Simplify right side
   2,462,697.20x = 3,195,590,530,844.54
5. Step 5: Solve for x
   x = 3,195,590,530,844.54/2,462,697.20
6. Step 6: Final answer
   x = 1,297,597.83