Finding the Fourth Proportional to 16,545.12, 22,830.72 and 9,828.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,545.12 : 22,830.72 = 9,828.96 : x
2. Step 2: Convert to fraction form
   16,545.12/22,830.72 = 9,828.96/x
3. Step 3: Cross multiply
   16,545.12x = 22,830.72 × 9,828.96
4. Step 4: Simplify right side
   16,545.12x = 224,402,233.65
5. Step 5: Solve for x
   x = 224,402,233.65/16,545.12
6. Step 6: Final answer
   x = 13,563.05