Finding the Fourth Proportional to 2,400.73, 3,602.15 and 939.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,400.73 : 3,602.15 = 939.39 : x
2. Step 2: Convert to fraction form
   2,400.73/3,602.15 = 939.39/x
3. Step 3: Cross multiply
   2,400.73x = 3,602.15 × 939.39
4. Step 4: Simplify right side
   2,400.73x = 3,383,823.69
5. Step 5: Solve for x
   x = 3,383,823.69/2,400.73
6. Step 6: Final answer
   x = 1,409.50