Finding the Fourth Proportional to 23,350.38, 32,222.86 and 12,740

Step by Step Solution

1. Step 1: Write the proportion equation
   23,350.38 : 32,222.86 = 12,740 : x
2. Step 2: Convert to fraction form
   23,350.38/32,222.86 = 12,740/x
3. Step 3: Cross multiply
   23,350.38x = 32,222.86 × 12,740
4. Step 4: Simplify right side
   23,350.38x = 410,519,236.40
5. Step 5: Solve for x
   x = 410,519,236.40/23,350.38
6. Step 6: Final answer
   x = 17,580.84