Finding the Fourth Proportional to 11,835.62, 17,749.59 and 3,936.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,835.62 : 17,749.59 = 3,936.02 : x
2. Step 2: Convert to fraction form
   11,835.62/17,749.59 = 3,936.02/x
3. Step 3: Cross multiply
   11,835.62x = 17,749.59 × 3,936.02
4. Step 4: Simplify right side
   11,835.62x = 69,862,637.72
5. Step 5: Solve for x
   x = 69,862,637.72/11,835.62
6. Step 6: Final answer
   x = 5,902.74