Finding the Fourth Proportional to 17,151.28, 23,666.61 and 9,983.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,151.28 : 23,666.61 = 9,983.50 : x
2. Step 2: Convert to fraction form
   17,151.28/23,666.61 = 9,983.50/x
3. Step 3: Cross multiply
   17,151.28x = 23,666.61 × 9,983.50
4. Step 4: Simplify right side
   17,151.28x = 236,275,628.10
5. Step 5: Solve for x
   x = 236,275,628.10/17,151.28
6. Step 6: Final answer
   x = 13,775.97