Finding the Fourth Proportional to 16,557.27, 22,841.35 and 9,479.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,557.27 : 22,841.35 = 9,479.89 : x
2. Step 2: Convert to fraction form
   16,557.27/22,841.35 = 9,479.89/x
3. Step 3: Cross multiply
   16,557.27x = 22,841.35 × 9,479.89
4. Step 4: Simplify right side
   16,557.27x = 216,533,485.45
5. Step 5: Solve for x
   x = 216,533,485.45/16,557.27
6. Step 6: Final answer
   x = 13,077.85