Finding the Fourth Proportional to 2,183,026.38, 3,012,568.83 and 1,216,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,183,026.38 : 3,012,568.83 = 1,216,099.50 : x
2. Step 2: Convert to fraction form
   2,183,026.38/3,012,568.83 = 1,216,099.50/x
3. Step 3: Cross multiply
   2,183,026.38x = 3,012,568.83 × 1,216,099.50
4. Step 4: Simplify right side
   2,183,026.38x = 3,663,583,447,878.59
5. Step 5: Solve for x
   x = 3,663,583,447,878.59/2,183,026.38
6. Step 6: Final answer
   x = 1,678,213.09