Finding the Fourth Proportional to 724,443.12, 1,086,433.94 and 238,012.33

Step by Step Solution

1. Step 1: Write the proportion equation
   724,443.12 : 1,086,433.94 = 238,012.33 : x
2. Step 2: Convert to fraction form
   724,443.12/1,086,433.94 = 238,012.33/x
3. Step 3: Cross multiply
   724,443.12x = 1,086,433.94 × 238,012.33
4. Step 4: Simplify right side
   724,443.12x = 258,584,671,329.43
5. Step 5: Solve for x
   x = 258,584,671,329.43/724,443.12
6. Step 6: Final answer
   x = 356,942.68