Finding the Fourth Proportional to 2,105,048.33, 2,904,949.78 and 1,222,079.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,048.33 : 2,904,949.78 = 1,222,079.43 : x
2. Step 2: Convert to fraction form
   2,105,048.33/2,904,949.78 = 1,222,079.43/x
3. Step 3: Cross multiply
   2,105,048.33x = 2,904,949.78 × 1,222,079.43
4. Step 4: Simplify right side
   2,105,048.33x = 3,550,079,362,382.32
5. Step 5: Solve for x
   x = 3,550,079,362,382.32/2,105,048.33
6. Step 6: Final answer
   x = 1,686,459.79