Finding the Fourth Proportional to 11,681.59, 17,522.57 and 3,890.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,681.59 : 17,522.57 = 3,890.41 : x
2. Step 2: Convert to fraction form
   11,681.59/17,522.57 = 3,890.41/x
3. Step 3: Cross multiply
   11,681.59x = 17,522.57 × 3,890.41
4. Step 4: Simplify right side
   11,681.59x = 68,169,981.55
5. Step 5: Solve for x
   x = 68,169,981.55/11,681.59
6. Step 6: Final answer
   x = 5,835.68