Finding the Fourth Proportional to 23,290.37, 32,141.29 and 12,680.59

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290.37 : 32,141.29 = 12,680.59 : x
2. Step 2: Convert to fraction form
   23,290.37/32,141.29 = 12,680.59/x
3. Step 3: Cross multiply
   23,290.37x = 32,141.29 × 12,680.59
4. Step 4: Simplify right side
   23,290.37x = 407,570,408.51
5. Step 5: Solve for x
   x = 407,570,408.51/23,290.37
6. Step 6: Final answer
   x = 17,499.52