Finding the Fourth Proportional to 16,503.34, 22,775.82 and 9,429.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,503.34 : 22,775.82 = 9,429.61 : x
2. Step 2: Convert to fraction form
   16,503.34/22,775.82 = 9,429.61/x
3. Step 3: Cross multiply
   16,503.34x = 22,775.82 × 9,429.61
4. Step 4: Simplify right side
   16,503.34x = 214,767,100.03
5. Step 5: Solve for x
   x = 214,767,100.03/16,503.34
6. Step 6: Final answer
   x = 13,013.55