Finding the Fourth Proportional to 1,006,597.61, 1,389,162.17 and 576,949.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,006,597.61 : 1,389,162.17 = 576,949.31 : x
2. Step 2: Convert to fraction form
   1,006,597.61/1,389,162.17 = 576,949.31/x
3. Step 3: Cross multiply
   1,006,597.61x = 1,389,162.17 × 576,949.31
4. Step 4: Simplify right side
   1,006,597.61x = 801,476,149,956.17
5. Step 5: Solve for x
   x = 801,476,149,956.17/1,006,597.61
6. Step 6: Final answer
   x = 796,222.99