Finding the Fourth Proportional to 17,013.78, 23,480.37 and 9,460.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,013.78 : 23,480.37 = 9,460.80 : x
2. Step 2: Convert to fraction form
   17,013.78/23,480.37 = 9,460.80/x
3. Step 3: Cross multiply
   17,013.78x = 23,480.37 × 9,460.80
4. Step 4: Simplify right side
   17,013.78x = 222,143,084.50
5. Step 5: Solve for x
   x = 222,143,084.50/17,013.78
6. Step 6: Final answer
   x = 13,056.66