Finding the Fourth Proportional to 2,074,916.79, 2,863,616.90 and 1,216,203.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074,916.79 : 2,863,616.90 = 1,216,203.39 : x
2. Step 2: Convert to fraction form
   2,074,916.79/2,863,616.90 = 1,216,203.39/x
3. Step 3: Cross multiply
   2,074,916.79x = 2,863,616.90 × 1,216,203.39
4. Step 4: Simplify right side
   2,074,916.79x = 3,482,740,575,360.27
5. Step 5: Solve for x
   x = 3,482,740,575,360.27/2,074,916.79
6. Step 6: Final answer
   x = 1,678,496.50