Finding the Fourth Proportional to 11,936.27, 17,904.42 and 4,145.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,936.27 : 17,904.42 = 4,145.10 : x
2. Step 2: Convert to fraction form
   11,936.27/17,904.42 = 4,145.10/x
3. Step 3: Cross multiply
   11,936.27x = 17,904.42 × 4,145.10
4. Step 4: Simplify right side
   11,936.27x = 74,215,611.34
5. Step 5: Solve for x
   x = 74,215,611.34/11,936.27
6. Step 6: Final answer
   x = 6,217.66