Finding the Fourth Proportional to 21,836.45, 32,751.47 and 10,740.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,836.45 : 32,751.47 = 10,740.15 : x
2. Step 2: Convert to fraction form
   21,836.45/32,751.47 = 10,740.15/x
3. Step 3: Cross multiply
   21,836.45x = 32,751.47 × 10,740.15
4. Step 4: Simplify right side
   21,836.45x = 351,755,727.37
5. Step 5: Solve for x
   x = 351,755,727.37/21,836.45
6. Step 6: Final answer
   x = 16,108.65