Finding the Fourth Proportional to 23,559.64, 32,512.72 and 12,949.24

Step by Step Solution

1. Step 1: Write the proportion equation
   23,559.64 : 32,512.72 = 12,949.24 : x
2. Step 2: Convert to fraction form
   23,559.64/32,512.72 = 12,949.24/x
3. Step 3: Cross multiply
   23,559.64x = 32,512.72 × 12,949.24
4. Step 4: Simplify right side
   23,559.64x = 421,015,014.33
5. Step 5: Solve for x
   x = 421,015,014.33/23,559.64
6. Step 6: Final answer
   x = 17,870.18