Finding the Fourth Proportional to 2,647,449.74, 3,968,409.80 and 1,297,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647,449.74 : 3,968,409.80 = 1,297,743.50 : x
2. Step 2: Convert to fraction form
   2,647,449.74/3,968,409.80 = 1,297,743.50/x
3. Step 3: Cross multiply
   2,647,449.74x = 3,968,409.80 × 1,297,743.50
4. Step 4: Simplify right side
   2,647,449.74x = 5,149,978,023,286.30
5. Step 5: Solve for x
   x = 5,149,978,023,286.30/2,647,449.74
6. Step 6: Final answer
   x = 1,945,259.98