Finding the Fourth Proportional to 2,603,179.32, 3,907,287.77 and 1,256,290.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603,179.32 : 3,907,287.77 = 1,256,290.05 : x
2. Step 2: Convert to fraction form
   2,603,179.32/3,907,287.77 = 1,256,290.05/x
3. Step 3: Cross multiply
   2,603,179.32x = 3,907,287.77 × 1,256,290.05
4. Step 4: Simplify right side
   2,603,179.32x = 4,908,686,747,937.69
5. Step 5: Solve for x
   x = 4,908,686,747,937.69/2,603,179.32
6. Step 6: Final answer
   x = 1,885,650.64