Finding the Fourth Proportional to 1,069,640.29, 1,476,105.69 and 586,223.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,640.29 : 1,476,105.69 = 586,223.38 : x
2. Step 2: Convert to fraction form
   1,069,640.29/1,476,105.69 = 586,223.38/x
3. Step 3: Cross multiply
   1,069,640.29x = 1,476,105.69 × 586,223.38
4. Step 4: Simplify right side
   1,069,640.29x = 865,327,666,829.03
5. Step 5: Solve for x
   x = 865,327,666,829.03/1,069,640.29
6. Step 6: Final answer
   x = 808,989.41