Finding the Fourth Proportional to 23,961.45, 33,066.72 and 13,891.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,961.45 : 33,066.72 = 13,891.94 : x
2. Step 2: Convert to fraction form
   23,961.45/33,066.72 = 13,891.94/x
3. Step 3: Cross multiply
   23,961.45x = 33,066.72 × 13,891.94
4. Step 4: Simplify right side
   23,961.45x = 459,360,890.24
5. Step 5: Solve for x
   x = 459,360,890.24/23,961.45
6. Step 6: Final answer
   x = 19,170.83