Finding the Fourth Proportional to 1,121,205.27, 1,682,053.18 and 363,123.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,205.27 : 1,682,053.18 = 363,123.37 : x
2. Step 2: Convert to fraction form
   1,121,205.27/1,682,053.18 = 363,123.37/x
3. Step 3: Cross multiply
   1,121,205.27x = 1,682,053.18 × 363,123.37
4. Step 4: Simplify right side
   1,121,205.27x = 610,792,814,127.88
5. Step 5: Solve for x
   x = 610,792,814,127.88/1,121,205.27
6. Step 6: Final answer
   x = 544,764.49