Finding the Fourth Proportional to 9,681.35, 14,522.57 and 2,755.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.35 : 14,522.57 = 2,755.31 : x
2. Step 2: Convert to fraction form
   9,681.35/14,522.57 = 2,755.31/x
3. Step 3: Cross multiply
   9,681.35x = 14,522.57 × 2,755.31
4. Step 4: Simplify right side
   9,681.35x = 40,014,215.21
5. Step 5: Solve for x
   x = 40,014,215.21/9,681.35
6. Step 6: Final answer
   x = 4,133.12