Finding the Fourth Proportional to 23,469, 32,387.22 and 12,858.66

Step by Step Solution

1. Step 1: Write the proportion equation
   23,469 : 32,387.22 = 12,858.66 : x
2. Step 2: Convert to fraction form
   23,469/32,387.22 = 12,858.66/x
3. Step 3: Cross multiply
   23,469x = 32,387.22 × 12,858.66
4. Step 4: Simplify right side
   23,469x = 416,456,250.33
5. Step 5: Solve for x
   x = 416,456,250.33/23,469
6. Step 6: Final answer
   x = 17,744.95