Finding the Fourth Proportional to 11,536.27, 17,304.78 and 3,638.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,536.27 : 17,304.78 = 3,638.87 : x
2. Step 2: Convert to fraction form
   11,536.27/17,304.78 = 3,638.87/x
3. Step 3: Cross multiply
   11,536.27x = 17,304.78 × 3,638.87
4. Step 4: Simplify right side
   11,536.27x = 62,969,758.27
5. Step 5: Solve for x
   x = 62,969,758.27/11,536.27
6. Step 6: Final answer
   x = 5,458.42