Finding the Fourth Proportional to 23,559.12, 32,512.05 and 12,949.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,559.12 : 32,512.05 = 12,949.74 : x
2. Step 2: Convert to fraction form
   23,559.12/32,512.05 = 12,949.74/x
3. Step 3: Cross multiply
   23,559.12x = 32,512.05 × 12,949.74
4. Step 4: Simplify right side
   23,559.12x = 421,022,594.37
5. Step 5: Solve for x
   x = 421,022,594.37/23,559.12
6. Step 6: Final answer
   x = 17,870.90