Finding the Fourth Proportional to 1,057,004.69, 1,456,272.41 and 1,006,616.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,004.69 : 1,456,272.41 = 1,006,616.21 : x
2. Step 2: Convert to fraction form
   1,057,004.69/1,456,272.41 = 1,006,616.21/x
3. Step 3: Cross multiply
   1,057,004.69x = 1,456,272.41 × 1,006,616.21
4. Step 4: Simplify right side
   1,057,004.69x = 1,465,907,401,767.32
5. Step 5: Solve for x
   x = 1,465,907,401,767.32/1,057,004.69
6. Step 6: Final answer
   x = 1,386,850.43