Finding the Fourth Proportional to 23,228.12, 32,054.76 and 12,617.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,228.12 : 32,054.76 = 12,617.72 : x
2. Step 2: Convert to fraction form
   23,228.12/32,054.76 = 12,617.72/x
3. Step 3: Cross multiply
   23,228.12x = 32,054.76 × 12,617.72
4. Step 4: Simplify right side
   23,228.12x = 404,457,986.35
5. Step 5: Solve for x
   x = 404,457,986.35/23,228.12
6. Step 6: Final answer
   x = 17,412.43