Finding the Fourth Proportional to 17,022.80, 23,491.40 and 9,947.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,022.80 : 23,491.40 = 9,947.82 : x
2. Step 2: Convert to fraction form
   17,022.80/23,491.40 = 9,947.82/x
3. Step 3: Cross multiply
   17,022.80x = 23,491.40 × 9,947.82
4. Step 4: Simplify right side
   17,022.80x = 233,688,218.75
5. Step 5: Solve for x
   x = 233,688,218.75/17,022.80
6. Step 6: Final answer
   x = 13,727.95