Finding the Fourth Proportional to 9,662.48, 14,493.79 and 2,642.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.48 : 14,493.79 = 2,642.34 : x
2. Step 2: Convert to fraction form
   9,662.48/14,493.79 = 2,642.34/x
3. Step 3: Cross multiply
   9,662.48x = 14,493.79 × 2,642.34
4. Step 4: Simplify right side
   9,662.48x = 38,297,517.09
5. Step 5: Solve for x
   x = 38,297,517.09/9,662.48
6. Step 6: Final answer
   x = 3,963.53