Finding the Fourth Proportional to 23,665.73, 32,657.20 and 13,055.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,665.73 : 32,657.20 = 13,055.42 : x
2. Step 2: Convert to fraction form
   23,665.73/32,657.20 = 13,055.42/x
3. Step 3: Cross multiply
   23,665.73x = 32,657.20 × 13,055.42
4. Step 4: Simplify right side
   23,665.73x = 426,353,511.03
5. Step 5: Solve for x
   x = 426,353,511.03/23,665.73
6. Step 6: Final answer
   x = 18,015.65