Finding the Fourth Proportional to 23,456.09, 32,369.06 and 12,845.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,456.09 : 32,369.06 = 12,845.72 : x
2. Step 2: Convert to fraction form
   23,456.09/32,369.06 = 12,845.72/x
3. Step 3: Cross multiply
   23,456.09x = 32,369.06 × 12,845.72
4. Step 4: Simplify right side
   23,456.09x = 415,803,655.35
5. Step 5: Solve for x
   x = 415,803,655.35/23,456.09
6. Step 6: Final answer
   x = 17,726.90