Finding the Fourth Proportional to 16,677.76, 23,018.15 and 9,608.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,677.76 : 23,018.15 = 9,608.29 : x
2. Step 2: Convert to fraction form
   16,677.76/23,018.15 = 9,608.29/x
3. Step 3: Cross multiply
   16,677.76x = 23,018.15 × 9,608.29
4. Step 4: Simplify right side
   16,677.76x = 221,164,897.33
5. Step 5: Solve for x
   x = 221,164,897.33/16,677.76
6. Step 6: Final answer
   x = 13,261.07