Finding the Fourth Proportional to 11,836.53, 17,756.52 and 3,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,836.53 : 17,756.52 = 3,936.50 : x
2. Step 2: Convert to fraction form
   11,836.53/17,756.52 = 3,936.50/x
3. Step 3: Cross multiply
   11,836.53x = 17,756.52 × 3,936.50
4. Step 4: Simplify right side
   11,836.53x = 69,898,504.02
5. Step 5: Solve for x
   x = 69,898,504.02/11,836.53
6. Step 6: Final answer
   x = 5,905.32