Finding the Fourth Proportional to 23,228.89, 32,054.67 and 12,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,228.89 : 32,054.67 = 12,618.50 : x
2. Step 2: Convert to fraction form
   23,228.89/32,054.67 = 12,618.50/x
3. Step 3: Cross multiply
   23,228.89x = 32,054.67 × 12,618.50
4. Step 4: Simplify right side
   23,228.89x = 404,481,693.12
5. Step 5: Solve for x
   x = 404,481,693.12/23,228.89
6. Step 6: Final answer
   x = 17,412.87