Finding the Fourth Proportional to 9,662.51, 14,491.42 and 2,642.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.51 : 14,491.42 = 2,642.56 : x
2. Step 2: Convert to fraction form
   9,662.51/14,491.42 = 2,642.56/x
3. Step 3: Cross multiply
   9,662.51x = 14,491.42 × 2,642.56
4. Step 4: Simplify right side
   9,662.51x = 38,294,404.00
5. Step 5: Solve for x
   x = 38,294,404.00/9,662.51
6. Step 6: Final answer
   x = 3,963.19