Finding the Fourth Proportional to 23,379.05, 32,263.10 and 12,768.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,379.05 : 32,263.10 = 12,768.72 : x
2. Step 2: Convert to fraction form
   23,379.05/32,263.10 = 12,768.72/x
3. Step 3: Cross multiply
   23,379.05x = 32,263.10 × 12,768.72
4. Step 4: Simplify right side
   23,379.05x = 411,958,426.39
5. Step 5: Solve for x
   x = 411,958,426.39/23,379.05
6. Step 6: Final answer
   x = 17,620.84