Finding the Fourth Proportional to 2,256,959.57, 3,114,603.72 and 1,290,110.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256,959.57 : 3,114,603.72 = 1,290,110.69 : x
2. Step 2: Convert to fraction form
   2,256,959.57/3,114,603.72 = 1,290,110.69/x
3. Step 3: Cross multiply
   2,256,959.57x = 3,114,603.72 × 1,290,110.69
4. Step 4: Simplify right side
   2,256,959.57x = 4,018,183,562,072.28
5. Step 5: Solve for x
   x = 4,018,183,562,072.28/2,256,959.57
6. Step 6: Final answer
   x = 1,780,352.48