Finding the Fourth Proportional to 1,617,015.69, 2,425,556.34 and 1,085,574.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,617,015.69 : 2,425,556.34 = 1,085,574.69 : x
2. Step 2: Convert to fraction form
   1,617,015.69/2,425,556.34 = 1,085,574.69/x
3. Step 3: Cross multiply
   1,617,015.69x = 2,425,556.34 × 1,085,574.69
4. Step 4: Simplify right side
   1,617,015.69x = 2,633,122,571,873.03
5. Step 5: Solve for x
   x = 2,633,122,571,873.03/1,617,015.69
6. Step 6: Final answer
   x = 1,628,384.06