Finding the Fourth Proportional to 17,131.78, 23,656.38 and 14,314.19

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.78 : 23,656.38 = 14,314.19 : x
2. Step 2: Convert to fraction form
   17,131.78/23,656.38 = 14,314.19/x
3. Step 3: Cross multiply
   17,131.78x = 23,656.38 × 14,314.19
4. Step 4: Simplify right side
   17,131.78x = 338,621,918.03
5. Step 5: Solve for x
   x = 338,621,918.03/17,131.78
6. Step 6: Final answer
   x = 19,765.72