Finding the Fourth Proportional to 2,161,759.05, 2,982,922.71 and 1,231,491.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,759.05 : 2,982,922.71 = 1,231,491.26 : x
2. Step 2: Convert to fraction form
   2,161,759.05/2,982,922.71 = 1,231,491.26/x
3. Step 3: Cross multiply
   2,161,759.05x = 2,982,922.71 × 1,231,491.26
4. Step 4: Simplify right side
   2,161,759.05x = 3,673,443,249,459.73
5. Step 5: Solve for x
   x = 3,673,443,249,459.73/2,161,759.05
6. Step 6: Final answer
   x = 1,699,284.32