Finding the Fourth Proportional to 21,769.34, 32,640.51 and 10,067.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,769.34 : 32,640.51 = 10,067.54 : x
2. Step 2: Convert to fraction form
   21,769.34/32,640.51 = 10,067.54/x
3. Step 3: Cross multiply
   21,769.34x = 32,640.51 × 10,067.54
4. Step 4: Simplify right side
   21,769.34x = 328,609,640.05
5. Step 5: Solve for x
   x = 328,609,640.05/21,769.34
6. Step 6: Final answer
   x = 15,095.07