Finding the Fourth Proportional to 1,409.33, 1,945.55 and 938.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.33 : 1,945.55 = 938.01 : x
2. Step 2: Convert to fraction form
   1,409.33/1,945.55 = 938.01/x
3. Step 3: Cross multiply
   1,409.33x = 1,945.55 × 938.01
4. Step 4: Simplify right side
   1,409.33x = 1,824,940.49
5. Step 5: Solve for x
   x = 1,824,940.49/1,409.33
6. Step 6: Final answer
   x = 1,294.90