Finding the Fourth Proportional to 21,347.52, 32,022.82 and 8,199.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,347.52 : 32,022.82 = 8,199.89 : x
2. Step 2: Convert to fraction form
   21,347.52/32,022.82 = 8,199.89/x
3. Step 3: Cross multiply
   21,347.52x = 32,022.82 × 8,199.89
4. Step 4: Simplify right side
   21,347.52x = 262,583,601.49
5. Step 5: Solve for x
   x = 262,583,601.49/21,347.52
6. Step 6: Final answer
   x = 12,300.43