Finding the Fourth Proportional to 16,726.61, 23,083.01 and 9,173.67

Step by Step Solution

1. Step 1: Write the proportion equation
   16,726.61 : 23,083.01 = 9,173.67 : x
2. Step 2: Convert to fraction form
   16,726.61/23,083.01 = 9,173.67/x
3. Step 3: Cross multiply
   16,726.61x = 23,083.01 × 9,173.67
4. Step 4: Simplify right side
   16,726.61x = 211,755,870.48
5. Step 5: Solve for x
   x = 211,755,870.48/16,726.61
6. Step 6: Final answer
   x = 12,659.82