Finding the Fourth Proportional to 17,132.87, 23,643.50 and 9,963.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,132.87 : 23,643.50 = 9,963.15 : x
2. Step 2: Convert to fraction form
   17,132.87/23,643.50 = 9,963.15/x
3. Step 3: Cross multiply
   17,132.87x = 23,643.50 × 9,963.15
4. Step 4: Simplify right side
   17,132.87x = 235,563,731.54
5. Step 5: Solve for x
   x = 235,563,731.54/17,132.87
6. Step 6: Final answer
   x = 13,749.23