Finding the Fourth Proportional to 13,923.35, 19,107.69 and 13,824.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,923.35 : 19,107.69 = 13,824.94 : x
2. Step 2: Convert to fraction form
   13,923.35/19,107.69 = 13,824.94/x
3. Step 3: Cross multiply
   13,923.35x = 19,107.69 × 13,824.94
4. Step 4: Simplify right side
   13,923.35x = 264,162,667.79
5. Step 5: Solve for x
   x = 264,162,667.79/13,923.35
6. Step 6: Final answer
   x = 18,972.64