Finding the Fourth Proportional to 21,959.54, 32,944.56 and 7,168.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,959.54 : 32,944.56 = 7,168.10 : x
2. Step 2: Convert to fraction form
   21,959.54/32,944.56 = 7,168.10/x
3. Step 3: Cross multiply
   21,959.54x = 32,944.56 × 7,168.10
4. Step 4: Simplify right side
   21,959.54x = 236,149,900.54
5. Step 5: Solve for x
   x = 236,149,900.54/21,959.54
6. Step 6: Final answer
   x = 10,753.86