Finding the Fourth Proportional to 21,956.82, 32,939.82 and 7,166.58

Step by Step Solution

1. Step 1: Write the proportion equation
   21,956.82 : 32,939.82 = 7,166.58 : x
2. Step 2: Convert to fraction form
   21,956.82/32,939.82 = 7,166.58/x
3. Step 3: Cross multiply
   21,956.82x = 32,939.82 × 7,166.58
4. Step 4: Simplify right side
   21,956.82x = 236,065,855.22
5. Step 5: Solve for x
   x = 236,065,855.22/21,956.82
6. Step 6: Final answer
   x = 10,751.37