Finding the Fourth Proportional to 23,231.95, 32,058.88 and 12,621.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,231.95 : 32,058.88 = 12,621.57 : x
2. Step 2: Convert to fraction form
   23,231.95/32,058.88 = 12,621.57/x
3. Step 3: Cross multiply
   23,231.95x = 32,058.88 × 12,621.57
4. Step 4: Simplify right side
   23,231.95x = 404,633,398.04
5. Step 5: Solve for x
   x = 404,633,398.04/23,231.95
6. Step 6: Final answer
   x = 17,417.11