Finding the Fourth Proportional to 21,323.34, 31,989.69 and 6,533.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,323.34 : 31,989.69 = 6,533.37 : x
2. Step 2: Convert to fraction form
   21,323.34/31,989.69 = 6,533.37/x
3. Step 3: Cross multiply
   21,323.34x = 31,989.69 × 6,533.37
4. Step 4: Simplify right side
   21,323.34x = 209,000,480.96
5. Step 5: Solve for x
   x = 209,000,480.96/21,323.34
6. Step 6: Final answer
   x = 9,801.49