Finding the Fourth Proportional to 23,156.69, 31,944.78 and 14,660.19

Step by Step Solution

1. Step 1: Write the proportion equation
   23,156.69 : 31,944.78 = 14,660.19 : x
2. Step 2: Convert to fraction form
   23,156.69/31,944.78 = 14,660.19/x
3. Step 3: Cross multiply
   23,156.69x = 31,944.78 × 14,660.19
4. Step 4: Simplify right side
   23,156.69x = 468,316,544.31
5. Step 5: Solve for x
   x = 468,316,544.31/23,156.69
6. Step 6: Final answer
   x = 20,223.82