Finding the Fourth Proportional to 2,665,389.83, 3,998,096.45 and 843,763.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,389.83 : 3,998,096.45 = 843,763.71 : x
2. Step 2: Convert to fraction form
   2,665,389.83/3,998,096.45 = 843,763.71/x
3. Step 3: Cross multiply
   2,665,389.83x = 3,998,096.45 × 843,763.71
4. Step 4: Simplify right side
   2,665,389.83x = 3,373,448,696,283.34
5. Step 5: Solve for x
   x = 3,373,448,696,283.34/2,665,389.83
6. Step 6: Final answer
   x = 1,265,649.27