Finding the Fourth Proportional to 443,541.94, 665,303.36 and 123,685.29

Step by Step Solution

1. Step 1: Write the proportion equation
   443,541.94 : 665,303.36 = 123,685.29 : x
2. Step 2: Convert to fraction form
   443,541.94/665,303.36 = 123,685.29/x
3. Step 3: Cross multiply
   443,541.94x = 665,303.36 × 123,685.29
4. Step 4: Simplify right side
   443,541.94x = 82,288,238,401.15
5. Step 5: Solve for x
   x = 82,288,238,401.15/443,541.94
6. Step 6: Final answer
   x = 185,525.27