Finding the Fourth Proportional to 23,114.25, 31,897.67 and 13,178.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,114.25 : 31,897.67 = 13,178.25 : x
2. Step 2: Convert to fraction form
   23,114.25/31,897.67 = 13,178.25/x
3. Step 3: Cross multiply
   23,114.25x = 31,897.67 × 13,178.25
4. Step 4: Simplify right side
   23,114.25x = 420,355,403.79
5. Step 5: Solve for x
   x = 420,355,403.79/23,114.25
6. Step 6: Final answer
   x = 18,185.99