Finding the Fourth Proportional to 21,957.88, 32,942.06 and 7,166.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,957.88 : 32,942.06 = 7,166.82 : x
2. Step 2: Convert to fraction form
   21,957.88/32,942.06 = 7,166.82/x
3. Step 3: Cross multiply
   21,957.88x = 32,942.06 × 7,166.82
4. Step 4: Simplify right side
   21,957.88x = 236,089,814.45
5. Step 5: Solve for x
   x = 236,089,814.45/21,957.88
6. Step 6: Final answer
   x = 10,751.94