Finding the Fourth Proportional to 2,182,821.06, 3,012,383.82 and 1,215,951.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,821.06 : 3,012,383.82 = 1,215,951.09 : x
2. Step 2: Convert to fraction form
   2,182,821.06/3,012,383.82 = 1,215,951.09/x
3. Step 3: Cross multiply
   2,182,821.06x = 3,012,383.82 × 1,215,951.09
4. Step 4: Simplify right side
   2,182,821.06x = 3,662,911,389,427.36
5. Step 5: Solve for x
   x = 3,662,911,389,427.36/2,182,821.06
6. Step 6: Final answer
   x = 1,678,063.06