Finding the Fourth Proportional to 16,238.68, 22,393.83 and 9,866.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.68 : 22,393.83 = 9,866.32 : x
2. Step 2: Convert to fraction form
   16,238.68/22,393.83 = 9,866.32/x
3. Step 3: Cross multiply
   16,238.68x = 22,393.83 × 9,866.32
4. Step 4: Simplify right side
   16,238.68x = 220,944,692.81
5. Step 5: Solve for x
   x = 220,944,692.81/16,238.68
6. Step 6: Final answer
   x = 13,606.07