Finding the Fourth Proportional to 16,445.30, 22,692.83 and 9,729.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,445.30 : 22,692.83 = 9,729.59 : x
2. Step 2: Convert to fraction form
   16,445.30/22,692.83 = 9,729.59/x
3. Step 3: Cross multiply
   16,445.30x = 22,692.83 × 9,729.59
4. Step 4: Simplify right side
   16,445.30x = 220,791,769.73
5. Step 5: Solve for x
   x = 220,791,769.73/16,445.30
6. Step 6: Final answer
   x = 13,425.83