Finding the Fourth Proportional to 9,681.31, 14,522.10 and 2,755.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.31 : 14,522.10 = 2,755.81 : x
2. Step 2: Convert to fraction form
   9,681.31/14,522.10 = 2,755.81/x
3. Step 3: Cross multiply
   9,681.31x = 14,522.10 × 2,755.81
4. Step 4: Simplify right side
   9,681.31x = 40,020,148.40
5. Step 5: Solve for x
   x = 40,020,148.40/9,681.31
6. Step 6: Final answer
   x = 4,133.75