Finding the Fourth Proportional to 2,108,839.05, 3,161,128.41 and 830,343.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,839.05 : 3,161,128.41 = 830,343.56 : x
2. Step 2: Convert to fraction form
   2,108,839.05/3,161,128.41 = 830,343.56/x
3. Step 3: Cross multiply
   2,108,839.05x = 3,161,128.41 × 830,343.56
4. Step 4: Simplify right side
   2,108,839.05x = 2,624,822,601,770.90
5. Step 5: Solve for x
   x = 2,624,822,601,770.90/2,108,839.05
6. Step 6: Final answer
   x = 1,244,676.59