Finding the Fourth Proportional to 1,293.67, 1,940.59 and 369.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293.67 : 1,940.59 = 369.30 : x
2. Step 2: Convert to fraction form
   1,293.67/1,940.59 = 369.30/x
3. Step 3: Cross multiply
   1,293.67x = 1,940.59 × 369.30
4. Step 4: Simplify right side
   1,293.67x = 716,667.63
5. Step 5: Solve for x
   x = 716,667.63/1,293.67
6. Step 6: Final answer
   x = 553.98