Finding the Fourth Proportional to 10,959.72, 16,442.34 and 3,168.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,959.72 : 16,442.34 = 3,168.48 : x
2. Step 2: Convert to fraction form
   10,959.72/16,442.34 = 3,168.48/x
3. Step 3: Cross multiply
   10,959.72x = 16,442.34 × 3,168.48
4. Step 4: Simplify right side
   10,959.72x = 52,097,225.44
5. Step 5: Solve for x
   x = 52,097,225.44/10,959.72
6. Step 6: Final answer
   x = 4,753.52