Finding the Fourth Proportional to 21,411.27, 32,107.59 and 10,169.87

Step by Step Solution

1. Step 1: Write the proportion equation
   21,411.27 : 32,107.59 = 10,169.87 : x
2. Step 2: Convert to fraction form
   21,411.27/32,107.59 = 10,169.87/x
3. Step 3: Cross multiply
   21,411.27x = 32,107.59 × 10,169.87
4. Step 4: Simplify right side
   21,411.27x = 326,529,855.78
5. Step 5: Solve for x
   x = 326,529,855.78/21,411.27
6. Step 6: Final answer
   x = 15,250.37