Finding the Fourth Proportional to 16,443.56, 22,692.35 and 9,729.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,443.56 : 22,692.35 = 9,729.01 : x
2. Step 2: Convert to fraction form
   16,443.56/22,692.35 = 9,729.01/x
3. Step 3: Cross multiply
   16,443.56x = 22,692.35 × 9,729.01
4. Step 4: Simplify right side
   16,443.56x = 220,774,152.76
5. Step 5: Solve for x
   x = 220,774,152.76/16,443.56
6. Step 6: Final answer
   x = 13,426.18