Finding the Fourth Proportional to 11,681.82, 17,522.27 and 3,890.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,681.82 : 17,522.27 = 3,890.63 : x
2. Step 2: Convert to fraction form
   11,681.82/17,522.27 = 3,890.63/x
3. Step 3: Cross multiply
   11,681.82x = 17,522.27 × 3,890.63
4. Step 4: Simplify right side
   11,681.82x = 68,172,562.27
5. Step 5: Solve for x
   x = 68,172,562.27/11,681.82
6. Step 6: Final answer
   x = 5,835.79