Finding the Fourth Proportional to 23,387.12, 32,273.04 and 12,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,387.12 : 32,273.04 = 12,774.72 : x
2. Step 2: Convert to fraction form
   23,387.12/32,273.04 = 12,774.72/x
3. Step 3: Cross multiply
   23,387.12x = 32,273.04 × 12,774.72
4. Step 4: Simplify right side
   23,387.12x = 412,279,049.55
5. Step 5: Solve for x
   x = 412,279,049.55/23,387.12
6. Step 6: Final answer
   x = 17,628.47