Finding the Fourth Proportional to 443,558.52, 665,328.15 and 123,701.85

Step by Step Solution

1. Step 1: Write the proportion equation
   443,558.52 : 665,328.15 = 123,701.85 : x
2. Step 2: Convert to fraction form
   443,558.52/665,328.15 = 123,701.85/x
3. Step 3: Cross multiply
   443,558.52x = 665,328.15 × 123,701.85
4. Step 4: Simplify right side
   443,558.52x = 82,302,323,012.08
5. Step 5: Solve for x
   x = 82,302,323,012.08/443,558.52
6. Step 6: Final answer
   x = 185,550.09