Finding the Fourth Proportional to 16,158.01, 22,290.56 and 9,443.92

Step by Step Solution

1. Step 1: Write the proportion equation
   16,158.01 : 22,290.56 = 9,443.92 : x
2. Step 2: Convert to fraction form
   16,158.01/22,290.56 = 9,443.92/x
3. Step 3: Cross multiply
   16,158.01x = 22,290.56 × 9,443.92
4. Step 4: Simplify right side
   16,158.01x = 210,510,177.55
5. Step 5: Solve for x
   x = 210,510,177.55/16,158.01
6. Step 6: Final answer
   x = 13,028.23