Finding the Fourth Proportional to 1,021,665.30, 1,409,797.18 and 568,998.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,665.30 : 1,409,797.18 = 568,998.42 : x
2. Step 2: Convert to fraction form
   1,021,665.30/1,409,797.18 = 568,998.42/x
3. Step 3: Cross multiply
   1,021,665.30x = 1,409,797.18 × 568,998.42
4. Step 4: Simplify right side
   1,021,665.30x = 802,172,367,940.46
5. Step 5: Solve for x
   x = 802,172,367,940.46/1,021,665.30
6. Step 6: Final answer
   x = 785,161.61