Finding the Fourth Proportional to 11,957.72, 17,936.70 and 3,193.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,957.72 : 17,936.70 = 3,193.88 : x
2. Step 2: Convert to fraction form
   11,957.72/17,936.70 = 3,193.88/x
3. Step 3: Cross multiply
   11,957.72x = 17,936.70 × 3,193.88
4. Step 4: Simplify right side
   11,957.72x = 57,287,667.40
5. Step 5: Solve for x
   x = 57,287,667.40/11,957.72
6. Step 6: Final answer
   x = 4,790.85