Finding the Fourth Proportional to 2,640,105.94, 3,961,824.84 and 1,123,786.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640,105.94 : 3,961,824.84 = 1,123,786.48 : x
2. Step 2: Convert to fraction form
   2,640,105.94/3,961,824.84 = 1,123,786.48/x
3. Step 3: Cross multiply
   2,640,105.94x = 3,961,824.84 × 1,123,786.48
4. Step 4: Simplify right side
   2,640,105.94x = 4,452,245,191,320.16
5. Step 5: Solve for x
   x = 4,452,245,191,320.16/2,640,105.94
6. Step 6: Final answer
   x = 1,686,388.84