Finding the Fourth Proportional to 23,290.97, 32,141.49 and 12,680.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290.97 : 32,141.49 = 12,680.51 : x
2. Step 2: Convert to fraction form
   23,290.97/32,141.49 = 12,680.51/x
3. Step 3: Cross multiply
   23,290.97x = 32,141.49 × 12,680.51
4. Step 4: Simplify right side
   23,290.97x = 407,570,485.36
5. Step 5: Solve for x
   x = 407,570,485.36/23,290.97
6. Step 6: Final answer
   x = 17,499.08