Finding the Fourth Proportional to 17,309.76, 23,887.89 and 9,756.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,309.76 : 23,887.89 = 9,756.42 : x
2. Step 2: Convert to fraction form
   17,309.76/23,887.89 = 9,756.42/x
3. Step 3: Cross multiply
   17,309.76x = 23,887.89 × 9,756.42
4. Step 4: Simplify right side
   17,309.76x = 233,060,287.75
5. Step 5: Solve for x
   x = 233,060,287.75/17,309.76
6. Step 6: Final answer
   x = 13,464.10