Finding the Fourth Proportional to 16,166.69, 22,312.76 and 9,359.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,166.69 : 22,312.76 = 9,359.72 : x
2. Step 2: Convert to fraction form
   16,166.69/22,312.76 = 9,359.72/x
3. Step 3: Cross multiply
   16,166.69x = 22,312.76 × 9,359.72
4. Step 4: Simplify right side
   16,166.69x = 208,841,186.03
5. Step 5: Solve for x
   x = 208,841,186.03/16,166.69
6. Step 6: Final answer
   x = 12,917.99