Finding the Fourth Proportional to 17,112.94, 23,612.98 and 9,559

Step by Step Solution

1. Step 1: Write the proportion equation
   17,112.94 : 23,612.98 = 9,559 : x
2. Step 2: Convert to fraction form
   17,112.94/23,612.98 = 9,559/x
3. Step 3: Cross multiply
   17,112.94x = 23,612.98 × 9,559
4. Step 4: Simplify right side
   17,112.94x = 225,716,475.82
5. Step 5: Solve for x
   x = 225,716,475.82/17,112.94
6. Step 6: Final answer
   x = 13,189.81