Finding the Fourth Proportional to 9,687.41, 14,529.20 and 2,665.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,687.41 : 14,529.20 = 2,665.62 : x
2. Step 2: Convert to fraction form
   9,687.41/14,529.20 = 2,665.62/x
3. Step 3: Cross multiply
   9,687.41x = 14,529.20 × 2,665.62
4. Step 4: Simplify right side
   9,687.41x = 38,729,326.10
5. Step 5: Solve for x
   x = 38,729,326.10/9,687.41
6. Step 6: Final answer
   x = 3,997.90