Finding the Fourth Proportional to 21,976.10, 32,960.50 and 7,933.43

Step by Step Solution

1. Step 1: Write the proportion equation
   21,976.10 : 32,960.50 = 7,933.43 : x
2. Step 2: Convert to fraction form
   21,976.10/32,960.50 = 7,933.43/x
3. Step 3: Cross multiply
   21,976.10x = 32,960.50 × 7,933.43
4. Step 4: Simplify right side
   21,976.10x = 261,489,819.52
5. Step 5: Solve for x
   x = 261,489,819.52/21,976.10
6. Step 6: Final answer
   x = 11,898.83