Finding the Fourth Proportional to 16,529.72, 22,811.06 and 9,815.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,529.72 : 22,811.06 = 9,815.63 : x
2. Step 2: Convert to fraction form
   16,529.72/22,811.06 = 9,815.63/x
3. Step 3: Cross multiply
   16,529.72x = 22,811.06 × 9,815.63
4. Step 4: Simplify right side
   16,529.72x = 223,904,867.84
5. Step 5: Solve for x
   x = 223,904,867.84/16,529.72
6. Step 6: Final answer
   x = 13,545.60