Finding the Fourth Proportional to 16,902.91, 23,326.50 and 9,246.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,902.91 : 23,326.50 = 9,246.55 : x
2. Step 2: Convert to fraction form
   16,902.91/23,326.50 = 9,246.55/x
3. Step 3: Cross multiply
   16,902.91x = 23,326.50 × 9,246.55
4. Step 4: Simplify right side
   16,902.91x = 215,689,648.58
5. Step 5: Solve for x
   x = 215,689,648.58/16,902.91
6. Step 6: Final answer
   x = 12,760.50