Finding the Fourth Proportional to 2,120,020.86, 3,178,822.98 and 1,446,916.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120,020.86 : 3,178,822.98 = 1,446,916.94 : x
2. Step 2: Convert to fraction form
   2,120,020.86/3,178,822.98 = 1,446,916.94/x
3. Step 3: Cross multiply
   2,120,020.86x = 3,178,822.98 × 1,446,916.94
4. Step 4: Simplify right side
   2,120,020.86x = 4,599,492,812,336.78
5. Step 5: Solve for x
   x = 4,599,492,812,336.78/2,120,020.86
6. Step 6: Final answer
   x = 2,169,550.73