Finding the Fourth Proportional to 17,363.39, 23,961.50 and 9,405.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,363.39 : 23,961.50 = 9,405.60 : x
2. Step 2: Convert to fraction form
   17,363.39/23,961.50 = 9,405.60/x
3. Step 3: Cross multiply
   17,363.39x = 23,961.50 × 9,405.60
4. Step 4: Simplify right side
   17,363.39x = 225,372,237.37
5. Step 5: Solve for x
   x = 225,372,237.37/17,363.39
6. Step 6: Final answer
   x = 12,979.74