Finding the Fourth Proportional to 16,702.94, 23,049.15 and 9,147.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,702.94 : 23,049.15 = 9,147.83 : x
2. Step 2: Convert to fraction form
   16,702.94/23,049.15 = 9,147.83/x
3. Step 3: Cross multiply
   16,702.94x = 23,049.15 × 9,147.83
4. Step 4: Simplify right side
   16,702.94x = 210,849,763.47
5. Step 5: Solve for x
   x = 210,849,763.47/16,702.94
6. Step 6: Final answer
   x = 12,623.52