Finding the Fourth Proportional to 23,109.27, 31,898.97 and 13,677.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,109.27 : 31,898.97 = 13,677.81 : x
2. Step 2: Convert to fraction form
   23,109.27/31,898.97 = 13,677.81/x
3. Step 3: Cross multiply
   23,109.27x = 31,898.97 × 13,677.81
4. Step 4: Simplify right side
   23,109.27x = 436,308,050.86
5. Step 5: Solve for x
   x = 436,308,050.86/23,109.27
6. Step 6: Final answer
   x = 18,880.22