Finding the Fourth Proportional to 21,960.52, 32,946.89 and 7,170.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,960.52 : 32,946.89 = 7,170.32 : x
2. Step 2: Convert to fraction form
   21,960.52/32,946.89 = 7,170.32/x
3. Step 3: Cross multiply
   21,960.52x = 32,946.89 × 7,170.32
4. Step 4: Simplify right side
   21,960.52x = 236,239,790.82
5. Step 5: Solve for x
   x = 236,239,790.82/21,960.52
6. Step 6: Final answer
   x = 10,757.48