Finding the Fourth Proportional to 2,258,405.02, 3,116,661.33 and 1,278,266.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258,405.02 : 3,116,661.33 = 1,278,266.14 : x
2. Step 2: Convert to fraction form
   2,258,405.02/3,116,661.33 = 1,278,266.14/x
3. Step 3: Cross multiply
   2,258,405.02x = 3,116,661.33 × 1,278,266.14
4. Step 4: Simplify right side
   2,258,405.02x = 3,983,922,647,986.37
5. Step 5: Solve for x
   x = 3,983,922,647,986.37/2,258,405.02
6. Step 6: Final answer
   x = 1,764,042.59