Finding the Fourth Proportional to 16,175.19, 22,321.61 and 9,459.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,175.19 : 22,321.61 = 9,459.55 : x
2. Step 2: Convert to fraction form
   16,175.19/22,321.61 = 9,459.55/x
3. Step 3: Cross multiply
   16,175.19x = 22,321.61 × 9,459.55
4. Step 4: Simplify right side
   16,175.19x = 211,152,401.95
5. Step 5: Solve for x
   x = 211,152,401.95/16,175.19
6. Step 6: Final answer
   x = 13,054.09