Finding the Fourth Proportional to 17,311.62, 23,887.50 and 9,756.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,311.62 : 23,887.50 = 9,756.56 : x
2. Step 2: Convert to fraction form
   17,311.62/23,887.50 = 9,756.56/x
3. Step 3: Cross multiply
   17,311.62x = 23,887.50 × 9,756.56
4. Step 4: Simplify right side
   17,311.62x = 233,059,827
5. Step 5: Solve for x
   x = 233,059,827/17,311.62
6. Step 6: Final answer
   x = 13,462.62