Finding the Fourth Proportional to 23,096.56, 31,865.52 and 13,023.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,096.56 : 31,865.52 = 13,023.40 : x
2. Step 2: Convert to fraction form
   23,096.56/31,865.52 = 13,023.40/x
3. Step 3: Cross multiply
   23,096.56x = 31,865.52 × 13,023.40
4. Step 4: Simplify right side
   23,096.56x = 414,997,413.17
5. Step 5: Solve for x
   x = 414,997,413.17/23,096.56
6. Step 6: Final answer
   x = 17,967.93