Finding the Fourth Proportional to 443,644.99, 665,579.47 and 123,796.59

Step by Step Solution

1. Step 1: Write the proportion equation
   443,644.99 : 665,579.47 = 123,796.59 : x
2. Step 2: Convert to fraction form
   443,644.99/665,579.47 = 123,796.59/x
3. Step 3: Cross multiply
   443,644.99x = 665,579.47 × 123,796.59
4. Step 4: Simplify right side
   443,644.99x = 82,396,468,760.01
5. Step 5: Solve for x
   x = 82,396,468,760.01/443,644.99
6. Step 6: Final answer
   x = 185,726.13