Finding the Fourth Proportional to 23,665.92, 32,658.80 and 13,055.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.92 : 32,658.80 = 13,055.31 : x
2. Step 2: Convert to fraction form
   23,665.92/32,658.80 = 13,055.31/x
3. Step 3: Cross multiply
   23,665.92x = 32,658.80 × 13,055.31
4. Step 4: Simplify right side
   23,665.92x = 426,370,692.95
5. Step 5: Solve for x
   x = 426,370,692.95/23,665.92
6. Step 6: Final answer
   x = 18,016.23