Finding the Fourth Proportional to 1,644,131.24, 2,466,141.27 and 579,145.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,644,131.24 : 2,466,141.27 = 579,145.47 : x
2. Step 2: Convert to fraction form
   1,644,131.24/2,466,141.27 = 579,145.47/x
3. Step 3: Cross multiply
   1,644,131.24x = 2,466,141.27 × 579,145.47
4. Step 4: Simplify right side
   1,644,131.24x = 1,428,254,544,900.55
5. Step 5: Solve for x
   x = 1,428,254,544,900.55/1,644,131.24
6. Step 6: Final answer
   x = 868,698.62