Finding the Fourth Proportional to 16,225.77, 22,391.67 and 9,511.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,225.77 : 22,391.67 = 9,511.55 : x
2. Step 2: Convert to fraction form
   16,225.77/22,391.67 = 9,511.55/x
3. Step 3: Cross multiply
   16,225.77x = 22,391.67 × 9,511.55
4. Step 4: Simplify right side
   16,225.77x = 212,979,488.79
5. Step 5: Solve for x
   x = 212,979,488.79/16,225.77
6. Step 6: Final answer
   x = 13,126.00