Finding the Fourth Proportional to 2,183,300.82, 3,012,947.55 and 1,216,442.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183,300.82 : 3,012,947.55 = 1,216,442.70 : x
2. Step 2: Convert to fraction form
   2,183,300.82/3,012,947.55 = 1,216,442.70/x
3. Step 3: Cross multiply
   2,183,300.82x = 3,012,947.55 × 1,216,442.70
4. Step 4: Simplify right side
   2,183,300.82x = 3,665,078,052,680.39
5. Step 5: Solve for x
   x = 3,665,078,052,680.39/2,183,300.82
6. Step 6: Final answer
   x = 1,678,686.70