Finding the Fourth Proportional to 1,786,891.69, 2,465,929.83 and 971,109.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786,891.69 : 2,465,929.83 = 971,109.10 : x
2. Step 2: Convert to fraction form
   1,786,891.69/2,465,929.83 = 971,109.10/x
3. Step 3: Cross multiply
   1,786,891.69x = 2,465,929.83 × 971,109.10
4. Step 4: Simplify right side
   1,786,891.69x = 2,394,686,899,136.04
5. Step 5: Solve for x
   x = 2,394,686,899,136.04/1,786,891.69
6. Step 6: Final answer
   x = 1,340,141.05