Finding the Fourth Proportional to 21,768.34, 32,639.01 and 10,066.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,768.34 : 32,639.01 = 10,066.54 : x
2. Step 2: Convert to fraction form
   21,768.34/32,639.01 = 10,066.54/x
3. Step 3: Cross multiply
   21,768.34x = 32,639.01 × 10,066.54
4. Step 4: Simplify right side
   21,768.34x = 328,561,899.73
5. Step 5: Solve for x
   x = 328,561,899.73/21,768.34
6. Step 6: Final answer
   x = 15,093.57