Finding the Fourth Proportional to 23,105.96, 31,894.40 and 13,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,105.96 : 31,894.40 = 13,674.50 : x
2. Step 2: Convert to fraction form
   23,105.96/31,894.40 = 13,674.50/x
3. Step 3: Cross multiply
   23,105.96x = 31,894.40 × 13,674.50
4. Step 4: Simplify right side
   23,105.96x = 436,139,972.80
5. Step 5: Solve for x
   x = 436,139,972.80/23,105.96
6. Step 6: Final answer
   x = 18,875.65