Finding the Fourth Proportional to 23,559.89, 32,512.79 and 12,949.61

Step by Step Solution

1. Step 1: Write the proportion equation
   23,559.89 : 32,512.79 = 12,949.61 : x
2. Step 2: Convert to fraction form
   23,559.89/32,512.79 = 12,949.61/x
3. Step 3: Cross multiply
   23,559.89x = 32,512.79 × 12,949.61
4. Step 4: Simplify right side
   23,559.89x = 421,027,885.76
5. Step 5: Solve for x
   x = 421,027,885.76/23,559.89
6. Step 6: Final answer
   x = 17,870.54